Home / 28,230,858.30-42,346,287.45-28,018,281.90

Finding the Fourth Proportional to 28,230,858.30, 42,346,287.45 and 28,018,281.90

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Solution

The fourth proportional to 28,230,858.30, 42,346,287.45 and 28,018,281.90 is: 42,027,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,858.30 : 42,346,287.45 = 28,018,281.90 : x
  2. Step 2: Convert to fraction form
    28,230,858.30/42,346,287.45 = 28,018,281.90/x
  3. Step 3: Cross multiply
    28,230,858.30x = 42,346,287.45 × 28,018,281.90
  4. Step 4: Simplify right side
    28,230,858.30x = 1,186,470,219,192,532.25
  5. Step 5: Solve for x
    x = 1,186,470,219,192,532.25/28,230,858.30
  6. Step 6: Final answer
    x = 42,027,422.85

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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.