Home / 12,539,558.16-17,287,097.76-8,410,327.20

Finding the Fourth Proportional to 12,539,558.16, 17,287,097.76 and 8,410,327.20

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Solution

The fourth proportional to 12,539,558.16, 17,287,097.76 and 8,410,327.20 is: 11,594,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,558.16 : 17,287,097.76 = 8,410,327.20 : x
  2. Step 2: Convert to fraction form
    12,539,558.16/17,287,097.76 = 8,410,327.20/x
  3. Step 3: Cross multiply
    12,539,558.16x = 17,287,097.76 × 8,410,327.20
  4. Step 4: Simplify right side
    12,539,558.16x = 145,390,148,499,987.06
  5. Step 5: Solve for x
    x = 145,390,148,499,987.06/12,539,558.16
  6. Step 6: Final answer
    x = 11,594,519.25

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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.