Home / 25,671,130.20-38,506,695.30-19,960,435.80

Finding the Fourth Proportional to 25,671,130.20, 38,506,695.30 and 19,960,435.80

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Solution

The fourth proportional to 25,671,130.20, 38,506,695.30 and 19,960,435.80 is: 29,940,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671,130.20 : 38,506,695.30 = 19,960,435.80 : x
  2. Step 2: Convert to fraction form
    25,671,130.20/38,506,695.30 = 19,960,435.80/x
  3. Step 3: Cross multiply
    25,671,130.20x = 38,506,695.30 × 19,960,435.80
  4. Step 4: Simplify right side
    25,671,130.20x = 768,610,419,405,811.75
  5. Step 5: Solve for x
    x = 768,610,419,405,811.75/25,671,130.20
  6. Step 6: Final answer
    x = 29,940,653.70

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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.