Home / 36,753,821.40-55,130,732.10-28,144,477.20

Finding the Fourth Proportional to 36,753,821.40, 55,130,732.10 and 28,144,477.20

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Solution

The fourth proportional to 36,753,821.40, 55,130,732.10 and 28,144,477.20 is: 42,216,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753,821.40 : 55,130,732.10 = 28,144,477.20 : x
  2. Step 2: Convert to fraction form
    36,753,821.40/55,130,732.10 = 28,144,477.20/x
  3. Step 3: Cross multiply
    36,753,821.40x = 55,130,732.10 × 28,144,477.20
  4. Step 4: Simplify right side
    36,753,821.40x = 1,551,625,632,607,758
  5. Step 5: Solve for x
    x = 1,551,625,632,607,758/36,753,821.40
  6. Step 6: Final answer
    x = 42,216,715.80

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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.