Home / 12,645,539.92-17,448,987.69-7,063,098.64

Finding the Fourth Proportional to 12,645,539.92, 17,448,987.69 and 7,063,098.64

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Solution

The fourth proportional to 12,645,539.92, 17,448,987.69 and 7,063,098.64 is: 9,746,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,539.92 : 17,448,987.69 = 7,063,098.64 : x
  2. Step 2: Convert to fraction form
    12,645,539.92/17,448,987.69 = 7,063,098.64/x
  3. Step 3: Cross multiply
    12,645,539.92x = 17,448,987.69 × 7,063,098.64
  4. Step 4: Simplify right side
    12,645,539.92x = 123,243,921,222,615.75
  5. Step 5: Solve for x
    x = 123,243,921,222,615.75/12,645,539.92
  6. Step 6: Final answer
    x = 9,746,038.68

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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.