Home / 12,472,719.60-18,709,079.40-4,897,167.60

Finding the Fourth Proportional to 12,472,719.60, 18,709,079.40 and 4,897,167.60

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Solution

The fourth proportional to 12,472,719.60, 18,709,079.40 and 4,897,167.60 is: 7,345,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,719.60 : 18,709,079.40 = 4,897,167.60 : x
  2. Step 2: Convert to fraction form
    12,472,719.60/18,709,079.40 = 4,897,167.60/x
  3. Step 3: Cross multiply
    12,472,719.60x = 18,709,079.40 × 4,897,167.60
  4. Step 4: Simplify right side
    12,472,719.60x = 91,621,497,463,507.42
  5. Step 5: Solve for x
    x = 91,621,497,463,507.42/12,472,719.60
  6. Step 6: Final answer
    x = 7,345,751.40

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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.