Home / 8,513,374.22-12,774,545.28-4,921,664.12

Finding the Fourth Proportional to 8,513,374.22, 12,774,545.28 and 4,921,664.12

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Solution

The fourth proportional to 8,513,374.22, 12,774,545.28 and 4,921,664.12 is: 7,385,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,374.22 : 12,774,545.28 = 4,921,664.12 : x
  2. Step 2: Convert to fraction form
    8,513,374.22/12,774,545.28 = 4,921,664.12/x
  3. Step 3: Cross multiply
    8,513,374.22x = 12,774,545.28 × 4,921,664.12
  4. Step 4: Simplify right side
    8,513,374.22x = 62,872,021,153,891.35
  5. Step 5: Solve for x
    x = 62,872,021,153,891.35/8,513,374.22
  6. Step 6: Final answer
    x = 7,385,088.39

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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.