Home / 28,018,872.30-42,028,308.45-9,843,590.10

Finding the Fourth Proportional to 28,018,872.30, 42,028,308.45 and 9,843,590.10

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Solution

The fourth proportional to 28,018,872.30, 42,028,308.45 and 9,843,590.10 is: 14,765,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,872.30 : 42,028,308.45 = 9,843,590.10 : x
  2. Step 2: Convert to fraction form
    28,018,872.30/42,028,308.45 = 9,843,590.10/x
  3. Step 3: Cross multiply
    28,018,872.30x = 42,028,308.45 × 9,843,590.10
  4. Step 4: Simplify right side
    28,018,872.30x = 413,709,440,978,166.38
  5. Step 5: Solve for x
    x = 413,709,440,978,166.38/28,018,872.30
  6. Step 6: Final answer
    x = 14,765,385.15

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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.