Home / 28,733,158.92-39,651,748.89-15,680,417.84

Finding the Fourth Proportional to 28,733,158.92, 39,651,748.89 and 15,680,417.84

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Solution

The fourth proportional to 28,733,158.92, 39,651,748.89 and 15,680,417.84 is: 21,638,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,158.92 : 39,651,748.89 = 15,680,417.84 : x
  2. Step 2: Convert to fraction form
    28,733,158.92/39,651,748.89 = 15,680,417.84/x
  3. Step 3: Cross multiply
    28,733,158.92x = 39,651,748.89 × 15,680,417.84
  4. Step 4: Simplify right side
    28,733,158.92x = 621,755,990,681,956.25
  5. Step 5: Solve for x
    x = 621,755,990,681,956.25/28,733,158.92
  6. Step 6: Final answer
    x = 21,638,970.93

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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.