Home / 15,459,643.64-23,085,359.12-12,625,378.04

Finding the Fourth Proportional to 15,459,643.64, 23,085,359.12 and 12,625,378.04

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Solution

The fourth proportional to 15,459,643.64, 23,085,359.12 and 12,625,378.04 is: 18,853,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,643.64 : 23,085,359.12 = 12,625,378.04 : x
  2. Step 2: Convert to fraction form
    15,459,643.64/23,085,359.12 = 12,625,378.04/x
  3. Step 3: Cross multiply
    15,459,643.64x = 23,085,359.12 × 12,625,378.04
  4. Step 4: Simplify right side
    15,459,643.64x = 291,461,386,079,161.69
  5. Step 5: Solve for x
    x = 291,461,386,079,161.69/15,459,643.64
  6. Step 6: Final answer
    x = 18,853,046.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.