Home / 34,551,570-47,681,166.72-20,065,815.12

Finding the Fourth Proportional to 34,551,570, 47,681,166.72 and 20,065,815.12

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Solution

The fourth proportional to 34,551,570, 47,681,166.72 and 20,065,815.12 is: 27,690,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,551,570 : 47,681,166.72 = 20,065,815.12 : x
  2. Step 2: Convert to fraction form
    34,551,570/47,681,166.72 = 20,065,815.12/x
  3. Step 3: Cross multiply
    34,551,570x = 47,681,166.72 × 20,065,815.12
  4. Step 4: Simplify right side
    34,551,570x = 956,761,476,109,416.88
  5. Step 5: Solve for x
    x = 956,761,476,109,416.88/34,551,570
  6. Step 6: Final answer
    x = 27,690,824.94

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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.