Home / 12,455,582.10-18,691,246.35-7,338,002.10

Finding the Fourth Proportional to 12,455,582.10, 18,691,246.35 and 7,338,002.10

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Solution

The fourth proportional to 12,455,582.10, 18,691,246.35 and 7,338,002.10 is: 11,011,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,582.10 : 18,691,246.35 = 7,338,002.10 : x
  2. Step 2: Convert to fraction form
    12,455,582.10/18,691,246.35 = 7,338,002.10/x
  3. Step 3: Cross multiply
    12,455,582.10x = 18,691,246.35 × 7,338,002.10
  4. Step 4: Simplify right side
    12,455,582.10x = 137,156,404,967,917.34
  5. Step 5: Solve for x
    x = 137,156,404,967,917.34/12,455,582.10
  6. Step 6: Final answer
    x = 11,011,641.52

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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.