Home / 9,015,457.86-13,490,861.49-7,805,197.44

Finding the Fourth Proportional to 9,015,457.86, 13,490,861.49 and 7,805,197.44

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Solution

The fourth proportional to 9,015,457.86, 13,490,861.49 and 7,805,197.44 is: 11,679,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,457.86 : 13,490,861.49 = 7,805,197.44 : x
  2. Step 2: Convert to fraction form
    9,015,457.86/13,490,861.49 = 7,805,197.44/x
  3. Step 3: Cross multiply
    9,015,457.86x = 13,490,861.49 × 7,805,197.44
  4. Step 4: Simplify right side
    9,015,457.86x = 105,298,837,565,142.59
  5. Step 5: Solve for x
    x = 105,298,837,565,142.59/9,015,457.86
  6. Step 6: Final answer
    x = 11,679,810.30

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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.