Home / 8,465,079.04-11,679,991.68-5,028,478.72

Finding the Fourth Proportional to 8,465,079.04, 11,679,991.68 and 5,028,478.72

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Solution

The fourth proportional to 8,465,079.04, 11,679,991.68 and 5,028,478.72 is: 6,938,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,079.04 : 11,679,991.68 = 5,028,478.72 : x
  2. Step 2: Convert to fraction form
    8,465,079.04/11,679,991.68 = 5,028,478.72/x
  3. Step 3: Cross multiply
    8,465,079.04x = 11,679,991.68 × 5,028,478.72
  4. Step 4: Simplify right side
    8,465,079.04x = 58,732,589,612,657.05
  5. Step 5: Solve for x
    x = 58,732,589,612,657.05/8,465,079.04
  6. Step 6: Final answer
    x = 6,938,221.05

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1.5x scale

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.