Home / 13,697,351.97-18,897,086.65-7,817,312.87

Finding the Fourth Proportional to 13,697,351.97, 18,897,086.65 and 7,817,312.87

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Solution

The fourth proportional to 13,697,351.97, 18,897,086.65 and 7,817,312.87 is: 10,784,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,351.97 : 18,897,086.65 = 7,817,312.87 : x
  2. Step 2: Convert to fraction form
    13,697,351.97/18,897,086.65 = 7,817,312.87/x
  3. Step 3: Cross multiply
    13,697,351.97x = 18,897,086.65 × 7,817,312.87
  4. Step 4: Simplify right side
    13,697,351.97x = 147,724,438,589,686.69
  5. Step 5: Solve for x
    x = 147,724,438,589,686.69/13,697,351.97
  6. Step 6: Final answer
    x = 10,784,890.31

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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.