Home / 9,721,417.59-13,415,939.96-5,591,442.11

Finding the Fourth Proportional to 9,721,417.59, 13,415,939.96 and 5,591,442.11

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Solution

The fourth proportional to 9,721,417.59, 13,415,939.96 and 5,591,442.11 is: 7,716,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,417.59 : 13,415,939.96 = 5,591,442.11 : x
  2. Step 2: Convert to fraction form
    9,721,417.59/13,415,939.96 = 5,591,442.11/x
  3. Step 3: Cross multiply
    9,721,417.59x = 13,415,939.96 × 5,591,442.11
  4. Step 4: Simplify right side
    9,721,417.59x = 75,014,451,542,538.81
  5. Step 5: Solve for x
    x = 75,014,451,542,538.81/9,721,417.59
  6. Step 6: Final answer
    x = 7,716,410.79

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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.