Home / 12,357,742.60-18,536,613.90-8,316,166.60

Finding the Fourth Proportional to 12,357,742.60, 18,536,613.90 and 8,316,166.60

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Solution

The fourth proportional to 12,357,742.60, 18,536,613.90 and 8,316,166.60 is: 12,474,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,742.60 : 18,536,613.90 = 8,316,166.60 : x
  2. Step 2: Convert to fraction form
    12,357,742.60/18,536,613.90 = 8,316,166.60/x
  3. Step 3: Cross multiply
    12,357,742.60x = 18,536,613.90 × 8,316,166.60
  4. Step 4: Simplify right side
    12,357,742.60x = 154,153,569,392,275.72
  5. Step 5: Solve for x
    x = 154,153,569,392,275.72/12,357,742.60
  6. Step 6: Final answer
    x = 12,474,249.90

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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.