Home / 8,418,535.42-12,618,355.02-4,161,693.28

Finding the Fourth Proportional to 8,418,535.42, 12,618,355.02 and 4,161,693.28

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Solution

The fourth proportional to 8,418,535.42, 12,618,355.02 and 4,161,693.28 is: 6,237,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,535.42 : 12,618,355.02 = 4,161,693.28 : x
  2. Step 2: Convert to fraction form
    8,418,535.42/12,618,355.02 = 4,161,693.28/x
  3. Step 3: Cross multiply
    8,418,535.42x = 12,618,355.02 × 4,161,693.28
  4. Step 4: Simplify right side
    8,418,535.42x = 52,513,723,291,388.26
  5. Step 5: Solve for x
    x = 52,513,723,291,388.26/8,418,535.42
  6. Step 6: Final answer
    x = 6,237,869.26

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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.