Home / 25,877,640.60-38,748,032.10-20,736,149.40

Finding the Fourth Proportional to 25,877,640.60, 38,748,032.10 and 20,736,149.40

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Solution

The fourth proportional to 25,877,640.60, 38,748,032.10 and 20,736,149.40 is: 31,049,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877,640.60 : 38,748,032.10 = 20,736,149.40 : x
  2. Step 2: Convert to fraction form
    25,877,640.60/38,748,032.10 = 20,736,149.40/x
  3. Step 3: Cross multiply
    25,877,640.60x = 38,748,032.10 × 20,736,149.40
  4. Step 4: Simplify right side
    25,877,640.60x = 803,484,982,581,595.75
  5. Step 5: Solve for x
    x = 803,484,982,581,595.75/25,877,640.60
  6. Step 6: Final answer
    x = 31,049,391.06

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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.