Home / 28,170,312.24-42,247,663.56-9,972,110.28

Finding the Fourth Proportional to 28,170,312.24, 42,247,663.56 and 9,972,110.28

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Solution

The fourth proportional to 28,170,312.24, 42,247,663.56 and 9,972,110.28 is: 14,955,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170,312.24 : 42,247,663.56 = 9,972,110.28 : x
  2. Step 2: Convert to fraction form
    28,170,312.24/42,247,663.56 = 9,972,110.28/x
  3. Step 3: Cross multiply
    28,170,312.24x = 42,247,663.56 × 9,972,110.28
  4. Step 4: Simplify right side
    28,170,312.24x = 421,298,360,092,657.38
  5. Step 5: Solve for x
    x = 421,298,360,092,657.38/28,170,312.24
  6. Step 6: Final answer
    x = 14,955,402.57

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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.