Home / 28,023,126.12-42,036,462.54-11,846,061.72

Finding the Fourth Proportional to 28,023,126.12, 42,036,462.54 and 11,846,061.72

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Solution

The fourth proportional to 28,023,126.12, 42,036,462.54 and 11,846,061.72 is: 17,769,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,126.12 : 42,036,462.54 = 11,846,061.72 : x
  2. Step 2: Convert to fraction form
    28,023,126.12/42,036,462.54 = 11,846,061.72/x
  3. Step 3: Cross multiply
    28,023,126.12x = 42,036,462.54 × 11,846,061.72
  4. Step 4: Simplify right side
    28,023,126.12x = 497,966,529,739,308
  5. Step 5: Solve for x
    x = 497,966,529,739,308/28,023,126.12
  6. Step 6: Final answer
    x = 17,769,842.22

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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.