Home / 47,669,742.79-71,505,278.51-13,591,088.66

Finding the Fourth Proportional to 47,669,742.79, 71,505,278.51 and 13,591,088.66

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Solution

The fourth proportional to 47,669,742.79, 71,505,278.51 and 13,591,088.66 is: 20,386,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669,742.79 : 71,505,278.51 = 13,591,088.66 : x
  2. Step 2: Convert to fraction form
    47,669,742.79/71,505,278.51 = 13,591,088.66/x
  3. Step 3: Cross multiply
    47,669,742.79x = 71,505,278.51 × 13,591,088.66
  4. Step 4: Simplify right side
    47,669,742.79x = 971,834,579,998,210.38
  5. Step 5: Solve for x
    x = 971,834,579,998,210.38/47,669,742.79
  6. Step 6: Final answer
    x = 20,386,822.40

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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.