Home / 28,395,005.80-42,582,011.10-9,226,388.20

Finding the Fourth Proportional to 28,395,005.80, 42,582,011.10 and 9,226,388.20

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Solution

The fourth proportional to 28,395,005.80, 42,582,011.10 and 9,226,388.20 is: 13,836,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395,005.80 : 42,582,011.10 = 9,226,388.20 : x
  2. Step 2: Convert to fraction form
    28,395,005.80/42,582,011.10 = 9,226,388.20/x
  3. Step 3: Cross multiply
    28,395,005.80x = 42,582,011.10 × 9,226,388.20
  4. Step 4: Simplify right side
    28,395,005.80x = 392,878,164,745,309
  5. Step 5: Solve for x
    x = 392,878,164,745,309/28,395,005.80
  6. Step 6: Final answer
    x = 13,836,171.32

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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.