Home / 9,535,891.71-13,159,439.08-5,184,978.91

Finding the Fourth Proportional to 9,535,891.71, 13,159,439.08 and 5,184,978.91

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Solution

The fourth proportional to 9,535,891.71, 13,159,439.08 and 5,184,978.91 is: 7,155,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535,891.71 : 13,159,439.08 = 5,184,978.91 : x
  2. Step 2: Convert to fraction form
    9,535,891.71/13,159,439.08 = 5,184,978.91/x
  3. Step 3: Cross multiply
    9,535,891.71x = 13,159,439.08 × 5,184,978.91
  4. Step 4: Simplify right side
    9,535,891.71x = 68,231,414,051,368.76
  5. Step 5: Solve for x
    x = 68,231,414,051,368.76/9,535,891.71
  6. Step 6: Final answer
    x = 7,155,221.15

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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.