Home / 9,151,158.83-12,623,352.32-5,707,421.15

Finding the Fourth Proportional to 9,151,158.83, 12,623,352.32 and 5,707,421.15

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Solution

The fourth proportional to 9,151,158.83, 12,623,352.32 and 5,707,421.15 is: 7,872,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,158.83 : 12,623,352.32 = 5,707,421.15 : x
  2. Step 2: Convert to fraction form
    9,151,158.83/12,623,352.32 = 5,707,421.15/x
  3. Step 3: Cross multiply
    9,151,158.83x = 12,623,352.32 × 5,707,421.15
  4. Step 4: Simplify right side
    9,151,158.83x = 72,046,787,966,221.36
  5. Step 5: Solve for x
    x = 72,046,787,966,221.36/9,151,158.83
  6. Step 6: Final answer
    x = 7,872,968.81

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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.