Home / 8,913,847.29-12,312,648.17-7,371,339.58

Finding the Fourth Proportional to 8,913,847.29, 12,312,648.17 and 7,371,339.58

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Solution

The fourth proportional to 8,913,847.29, 12,312,648.17 and 7,371,339.58 is: 10,181,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,847.29 : 12,312,648.17 = 7,371,339.58 : x
  2. Step 2: Convert to fraction form
    8,913,847.29/12,312,648.17 = 7,371,339.58/x
  3. Step 3: Cross multiply
    8,913,847.29x = 12,312,648.17 × 7,371,339.58
  4. Step 4: Simplify right side
    8,913,847.29x = 90,760,710,790,135.56
  5. Step 5: Solve for x
    x = 90,760,710,790,135.56/8,913,847.29
  6. Step 6: Final answer
    x = 10,181,990.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.