Home / 13,554,627.71-18,705,711.25-7,359,935.51

Finding the Fourth Proportional to 13,554,627.71, 18,705,711.25 and 7,359,935.51

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Solution

The fourth proportional to 13,554,627.71, 18,705,711.25 and 7,359,935.51 is: 10,156,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,627.71 : 18,705,711.25 = 7,359,935.51 : x
  2. Step 2: Convert to fraction form
    13,554,627.71/18,705,711.25 = 7,359,935.51/x
  3. Step 3: Cross multiply
    13,554,627.71x = 18,705,711.25 × 7,359,935.51
  4. Step 4: Simplify right side
    13,554,627.71x = 137,672,828,524,645.69
  5. Step 5: Solve for x
    x = 137,672,828,524,645.69/13,554,627.71
  6. Step 6: Final answer
    x = 10,156,887.49

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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.