Home / 18,137,363.68-25,029,259.44-9,989,359.84

Finding the Fourth Proportional to 18,137,363.68, 25,029,259.44 and 9,989,359.84

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Solution

The fourth proportional to 18,137,363.68, 25,029,259.44 and 9,989,359.84 is: 13,785,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137,363.68 : 25,029,259.44 = 9,989,359.84 : x
  2. Step 2: Convert to fraction form
    18,137,363.68/25,029,259.44 = 9,989,359.84/x
  3. Step 3: Cross multiply
    18,137,363.68x = 25,029,259.44 × 9,989,359.84
  4. Step 4: Simplify right side
    18,137,363.68x = 250,026,279,074,876.91
  5. Step 5: Solve for x
    x = 250,026,279,074,876.91/18,137,363.68
  6. Step 6: Final answer
    x = 13,785,150.01

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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.