Home / 28,016,399.52-42,037,368.12-14,379,122.64

Finding the Fourth Proportional to 28,016,399.52, 42,037,368.12 and 14,379,122.64

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Solution

The fourth proportional to 28,016,399.52, 42,037,368.12 and 14,379,122.64 is: 21,575,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,399.52 : 42,037,368.12 = 14,379,122.64 : x
  2. Step 2: Convert to fraction form
    28,016,399.52/42,037,368.12 = 14,379,122.64/x
  3. Step 3: Cross multiply
    28,016,399.52x = 42,037,368.12 × 14,379,122.64
  4. Step 4: Simplify right side
    28,016,399.52x = 604,460,471,660,306.25
  5. Step 5: Solve for x
    x = 604,460,471,660,306.25/28,016,399.52
  6. Step 6: Final answer
    x = 21,575,237.43

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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.