Home / 27,812,350.64-38,381,129.16-15,423,316.40

Finding the Fourth Proportional to 27,812,350.64, 38,381,129.16 and 15,423,316.40

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Solution

The fourth proportional to 27,812,350.64, 38,381,129.16 and 15,423,316.40 is: 21,284,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812,350.64 : 38,381,129.16 = 15,423,316.40 : x
  2. Step 2: Convert to fraction form
    27,812,350.64/38,381,129.16 = 15,423,316.40/x
  3. Step 3: Cross multiply
    27,812,350.64x = 38,381,129.16 × 15,423,316.40
  4. Step 4: Simplify right side
    27,812,350.64x = 591,964,298,823,946.12
  5. Step 5: Solve for x
    x = 591,964,298,823,946.12/27,812,350.64
  6. Step 6: Final answer
    x = 21,284,223.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.