Home / 8,316,822.15-12,462,374.34-6,490,857.57

Finding the Fourth Proportional to 8,316,822.15, 12,462,374.34 and 6,490,857.57

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Solution

The fourth proportional to 8,316,822.15, 12,462,374.34 and 6,490,857.57 is: 9,726,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,822.15 : 12,462,374.34 = 6,490,857.57 : x
  2. Step 2: Convert to fraction form
    8,316,822.15/12,462,374.34 = 6,490,857.57/x
  3. Step 3: Cross multiply
    8,316,822.15x = 12,462,374.34 × 6,490,857.57
  4. Step 4: Simplify right side
    8,316,822.15x = 80,891,496,824,962.75
  5. Step 5: Solve for x
    x = 80,891,496,824,962.75/8,316,822.15
  6. Step 6: Final answer
    x = 9,726,250.65

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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.