Home / 15,241,754.70-21,033,641.34-8,272,431.90

Finding the Fourth Proportional to 15,241,754.70, 21,033,641.34 and 8,272,431.90

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Solution

The fourth proportional to 15,241,754.70, 21,033,641.34 and 8,272,431.90 is: 11,415,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,754.70 : 21,033,641.34 = 8,272,431.90 : x
  2. Step 2: Convert to fraction form
    15,241,754.70/21,033,641.34 = 8,272,431.90/x
  3. Step 3: Cross multiply
    15,241,754.70x = 21,033,641.34 × 8,272,431.90
  4. Step 4: Simplify right side
    15,241,754.70x = 173,999,365,594,174.75
  5. Step 5: Solve for x
    x = 173,999,365,594,174.75/15,241,754.70
  6. Step 6: Final answer
    x = 11,415,966.80

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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.