Home / 12,480,355.06-18,694,741.68-7,346,967.20

Finding the Fourth Proportional to 12,480,355.06, 18,694,741.68 and 7,346,967.20

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Solution

The fourth proportional to 12,480,355.06, 18,694,741.68 and 7,346,967.20 is: 11,005,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,355.06 : 18,694,741.68 = 7,346,967.20 : x
  2. Step 2: Convert to fraction form
    12,480,355.06/18,694,741.68 = 7,346,967.20/x
  3. Step 3: Cross multiply
    12,480,355.06x = 18,694,741.68 × 7,346,967.20
  4. Step 4: Simplify right side
    12,480,355.06x = 137,349,653,935,432.89
  5. Step 5: Solve for x
    x = 137,349,653,935,432.89/12,480,355.06
  6. Step 6: Final answer
    x = 11,005,268.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.