Home / 8,612,985.42-11,885,861.43-4,745,416.86

Finding the Fourth Proportional to 8,612,985.42, 11,885,861.43 and 4,745,416.86

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Solution

The fourth proportional to 8,612,985.42, 11,885,861.43 and 4,745,416.86 is: 6,548,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,985.42 : 11,885,861.43 = 4,745,416.86 : x
  2. Step 2: Convert to fraction form
    8,612,985.42/11,885,861.43 = 4,745,416.86/x
  3. Step 3: Cross multiply
    8,612,985.42x = 11,885,861.43 × 4,745,416.86
  4. Step 4: Simplify right side
    8,612,985.42x = 56,403,367,225,545.71
  5. Step 5: Solve for x
    x = 56,403,367,225,545.71/8,612,985.42
  6. Step 6: Final answer
    x = 6,548,643.06

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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.