Home / 8,430,046.91-12,653,000.36-7,969,312.38

Finding the Fourth Proportional to 8,430,046.91, 12,653,000.36 and 7,969,312.38

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Solution

The fourth proportional to 8,430,046.91, 12,653,000.36 and 7,969,312.38 is: 11,961,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,046.91 : 12,653,000.36 = 7,969,312.38 : x
  2. Step 2: Convert to fraction form
    8,430,046.91/12,653,000.36 = 7,969,312.38/x
  3. Step 3: Cross multiply
    8,430,046.91x = 12,653,000.36 × 7,969,312.38
  4. Step 4: Simplify right side
    8,430,046.91x = 100,835,712,413,092.45
  5. Step 5: Solve for x
    x = 100,835,712,413,092.45/8,430,046.91
  6. Step 6: Final answer
    x = 11,961,465.16

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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.