Home / 15,059,965.50-22,671,890.69-13,720,734.18

Finding the Fourth Proportional to 15,059,965.50, 22,671,890.69 and 13,720,734.18

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Solution

The fourth proportional to 15,059,965.50, 22,671,890.69 and 13,720,734.18 is: 20,655,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059,965.50 : 22,671,890.69 = 13,720,734.18 : x
  2. Step 2: Convert to fraction form
    15,059,965.50/22,671,890.69 = 13,720,734.18/x
  3. Step 3: Cross multiply
    15,059,965.50x = 22,671,890.69 × 13,720,734.18
  4. Step 4: Simplify right side
    15,059,965.50x = 311,074,985,446,903.06
  5. Step 5: Solve for x
    x = 311,074,985,446,903.06/15,059,965.50
  6. Step 6: Final answer
    x = 20,655,756.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.