Home / 25,671,146.70-38,506,720.05-19,960,452.30

Finding the Fourth Proportional to 25,671,146.70, 38,506,720.05 and 19,960,452.30

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Solution

The fourth proportional to 25,671,146.70, 38,506,720.05 and 19,960,452.30 is: 29,940,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671,146.70 : 38,506,720.05 = 19,960,452.30 : x
  2. Step 2: Convert to fraction form
    25,671,146.70/38,506,720.05 = 19,960,452.30/x
  3. Step 3: Cross multiply
    25,671,146.70x = 38,506,720.05 × 19,960,452.30
  4. Step 4: Simplify right side
    25,671,146.70x = 768,611,548,787,478.62
  5. Step 5: Solve for x
    x = 768,611,548,787,478.62/25,671,146.70
  6. Step 6: Final answer
    x = 29,940,678.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.