Home / 12,488,005.10-18,732,007.65-8,009,029.10

Finding the Fourth Proportional to 12,488,005.10, 18,732,007.65 and 8,009,029.10

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Solution

The fourth proportional to 12,488,005.10, 18,732,007.65 and 8,009,029.10 is: 12,013,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,005.10 : 18,732,007.65 = 8,009,029.10 : x
  2. Step 2: Convert to fraction form
    12,488,005.10/18,732,007.65 = 8,009,029.10/x
  3. Step 3: Cross multiply
    12,488,005.10x = 18,732,007.65 × 8,009,029.10
  4. Step 4: Simplify right side
    12,488,005.10x = 150,025,194,370,272.59
  5. Step 5: Solve for x
    x = 150,025,194,370,272.59/12,488,005.10
  6. Step 6: Final answer
    x = 12,013,543.65

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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.