Home / 25,655,377.24-38,478,254.46-12,872,449.72

Finding the Fourth Proportional to 25,655,377.24, 38,478,254.46 and 12,872,449.72

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Solution

The fourth proportional to 25,655,377.24, 38,478,254.46 and 12,872,449.72 is: 19,306,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655,377.24 : 38,478,254.46 = 12,872,449.72 : x
  2. Step 2: Convert to fraction form
    25,655,377.24/38,478,254.46 = 12,872,449.72/x
  3. Step 3: Cross multiply
    25,655,377.24x = 38,478,254.46 × 12,872,449.72
  4. Step 4: Simplify right side
    25,655,377.24x = 495,309,395,849,715.81
  5. Step 5: Solve for x
    x = 495,309,395,849,715.81/25,655,377.24
  6. Step 6: Final answer
    x = 19,306,260.49

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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.