Home / 8,472,249.72-12,618,686.07-8,430,959.16

Finding the Fourth Proportional to 8,472,249.72, 12,618,686.07 and 8,430,959.16

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Solution

The fourth proportional to 8,472,249.72, 12,618,686.07 and 8,430,959.16 is: 12,557,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,249.72 : 12,618,686.07 = 8,430,959.16 : x
  2. Step 2: Convert to fraction form
    8,472,249.72/12,618,686.07 = 8,430,959.16/x
  3. Step 3: Cross multiply
    8,472,249.72x = 12,618,686.07 × 8,430,959.16
  4. Step 4: Simplify right side
    8,472,249.72x = 106,387,626,909,030.91
  5. Step 5: Solve for x
    x = 106,387,626,909,030.91/8,472,249.72
  6. Step 6: Final answer
    x = 12,557,187.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.