Home / 28,817,581.50-39,768,576.48-15,764,560.16

Finding the Fourth Proportional to 28,817,581.50, 39,768,576.48 and 15,764,560.16

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Solution

The fourth proportional to 28,817,581.50, 39,768,576.48 and 15,764,560.16 is: 21,755,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,581.50 : 39,768,576.48 = 15,764,560.16 : x
  2. Step 2: Convert to fraction form
    28,817,581.50/39,768,576.48 = 15,764,560.16/x
  3. Step 3: Cross multiply
    28,817,581.50x = 39,768,576.48 × 15,764,560.16
  4. Step 4: Simplify right side
    28,817,581.50x = 626,934,116,197,678.12
  5. Step 5: Solve for x
    x = 626,934,116,197,678.12/28,817,581.50
  6. Step 6: Final answer
    x = 21,755,264.79

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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.