Home / 20,819,837.34-28,732,273.56-11,527,407.45

Finding the Fourth Proportional to 20,819,837.34, 28,732,273.56 and 11,527,407.45

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Solution

The fourth proportional to 20,819,837.34, 28,732,273.56 and 11,527,407.45 is: 15,908,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,837.34 : 28,732,273.56 = 11,527,407.45 : x
  2. Step 2: Convert to fraction form
    20,819,837.34/28,732,273.56 = 11,527,407.45/x
  3. Step 3: Cross multiply
    20,819,837.34x = 28,732,273.56 × 11,527,407.45
  4. Step 4: Simplify right side
    20,819,837.34x = 331,208,624,290,982
  5. Step 5: Solve for x
    x = 331,208,624,290,982/20,819,837.34
  6. Step 6: Final answer
    x = 15,908,319.50

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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.