Home / 56,376,432.40-84,564,648.60-18,039,197.20

Finding the Fourth Proportional to 56,376,432.40, 84,564,648.60 and 18,039,197.20

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Solution

The fourth proportional to 56,376,432.40, 84,564,648.60 and 18,039,197.20 is: 27,058,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,432.40 : 84,564,648.60 = 18,039,197.20 : x
  2. Step 2: Convert to fraction form
    56,376,432.40/84,564,648.60 = 18,039,197.20/x
  3. Step 3: Cross multiply
    56,376,432.40x = 84,564,648.60 × 18,039,197.20
  4. Step 4: Simplify right side
    56,376,432.40x = 1,525,478,372,244,103.75
  5. Step 5: Solve for x
    x = 1,525,478,372,244,103.75/56,376,432.40
  6. Step 6: Final answer
    x = 27,058,795.80

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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.