Home / 43,486,896.60-65,238,218.10-21,867,089.40

Finding the Fourth Proportional to 43,486,896.60, 65,238,218.10 and 21,867,089.40

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Solution

The fourth proportional to 43,486,896.60, 65,238,218.10 and 21,867,089.40 is: 32,804,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486,896.60 : 65,238,218.10 = 21,867,089.40 : x
  2. Step 2: Convert to fraction form
    43,486,896.60/65,238,218.10 = 21,867,089.40/x
  3. Step 3: Cross multiply
    43,486,896.60x = 65,238,218.10 × 21,867,089.40
  4. Step 4: Simplify right side
    43,486,896.60x = 1,426,569,947,489,398
  5. Step 5: Solve for x
    x = 1,426,569,947,489,398/43,486,896.60
  6. Step 6: Final answer
    x = 32,804,593.08

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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.