Home / 13,438,365.40-20,160,140.10-5,761,898.20

Finding the Fourth Proportional to 13,438,365.40, 20,160,140.10 and 5,761,898.20

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Solution

The fourth proportional to 13,438,365.40, 20,160,140.10 and 5,761,898.20 is: 8,643,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,365.40 : 20,160,140.10 = 5,761,898.20 : x
  2. Step 2: Convert to fraction form
    13,438,365.40/20,160,140.10 = 5,761,898.20/x
  3. Step 3: Cross multiply
    13,438,365.40x = 20,160,140.10 × 5,761,898.20
  4. Step 4: Simplify right side
    13,438,365.40x = 116,160,674,953,937.83
  5. Step 5: Solve for x
    x = 116,160,674,953,937.83/13,438,365.40
  6. Step 6: Final answer
    x = 8,643,958.66

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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.