Home / 42,666,687.25-64,008,103.70-13,527,865.45

Finding the Fourth Proportional to 42,666,687.25, 64,008,103.70 and 13,527,865.45

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Solution

The fourth proportional to 42,666,687.25, 64,008,103.70 and 13,527,865.45 is: 20,294,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666,687.25 : 64,008,103.70 = 13,527,865.45 : x
  2. Step 2: Convert to fraction form
    42,666,687.25/64,008,103.70 = 13,527,865.45/x
  3. Step 3: Cross multiply
    42,666,687.25x = 64,008,103.70 × 13,527,865.45
  4. Step 4: Simplify right side
    42,666,687.25x = 865,893,014,563,247.12
  5. Step 5: Solve for x
    x = 865,893,014,563,247.12/42,666,687.25
  6. Step 6: Final answer
    x = 20,294,357.74

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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.