Home / 38,347,881.77-52,921,222.86-20,945,047.97

Finding the Fourth Proportional to 38,347,881.77, 52,921,222.86 and 20,945,047.97

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Solution

The fourth proportional to 38,347,881.77, 52,921,222.86 and 20,945,047.97 is: 28,904,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347,881.77 : 52,921,222.86 = 20,945,047.97 : x
  2. Step 2: Convert to fraction form
    38,347,881.77/52,921,222.86 = 20,945,047.97/x
  3. Step 3: Cross multiply
    38,347,881.77x = 52,921,222.86 × 20,945,047.97
  4. Step 4: Simplify right side
    38,347,881.77x = 1,108,437,551,169,154.50
  5. Step 5: Solve for x
    x = 1,108,437,551,169,154.50/38,347,881.77
  6. Step 6: Final answer
    x = 28,904,792.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.