Home / 8,779,593.60-13,169,390.40-7,827,811.20

Finding the Fourth Proportional to 8,779,593.60, 13,169,390.40 and 7,827,811.20

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Solution

The fourth proportional to 8,779,593.60, 13,169,390.40 and 7,827,811.20 is: 11,741,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,593.60 : 13,169,390.40 = 7,827,811.20 : x
  2. Step 2: Convert to fraction form
    8,779,593.60/13,169,390.40 = 7,827,811.20/x
  3. Step 3: Cross multiply
    8,779,593.60x = 13,169,390.40 × 7,827,811.20
  4. Step 4: Simplify right side
    8,779,593.60x = 103,087,501,670,292.48
  5. Step 5: Solve for x
    x = 103,087,501,670,292.48/8,779,593.60
  6. Step 6: Final answer
    x = 11,741,716.80

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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.