Home / 20,160,690.70-30,241,036.05-7,381,612.30

Finding the Fourth Proportional to 20,160,690.70, 30,241,036.05 and 7,381,612.30

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Solution

The fourth proportional to 20,160,690.70, 30,241,036.05 and 7,381,612.30 is: 11,072,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,690.70 : 30,241,036.05 = 7,381,612.30 : x
  2. Step 2: Convert to fraction form
    20,160,690.70/30,241,036.05 = 7,381,612.30/x
  3. Step 3: Cross multiply
    20,160,690.70x = 30,241,036.05 × 7,381,612.30
  4. Step 4: Simplify right side
    20,160,690.70x = 223,227,603,671,423.41
  5. Step 5: Solve for x
    x = 223,227,603,671,423.41/20,160,690.70
  6. Step 6: Final answer
    x = 11,072,418.45

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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.