Home / 28,393,291.40-42,589,937.10-9,224,673.80

Finding the Fourth Proportional to 28,393,291.40, 42,589,937.10 and 9,224,673.80

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Solution

The fourth proportional to 28,393,291.40, 42,589,937.10 and 9,224,673.80 is: 13,837,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,291.40 : 42,589,937.10 = 9,224,673.80 : x
  2. Step 2: Convert to fraction form
    28,393,291.40/42,589,937.10 = 9,224,673.80/x
  3. Step 3: Cross multiply
    28,393,291.40x = 42,589,937.10 × 9,224,673.80
  4. Step 4: Simplify right side
    28,393,291.40x = 392,878,276,910,018
  5. Step 5: Solve for x
    x = 392,878,276,910,018/28,393,291.40
  6. Step 6: Final answer
    x = 13,837,010.70

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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.