Home / 15,559,402.46-21,452,014.42-12,758,205.38

Finding the Fourth Proportional to 15,559,402.46, 21,452,014.42 and 12,758,205.38

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Solution

The fourth proportional to 15,559,402.46, 21,452,014.42 and 12,758,205.38 is: 17,589,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559,402.46 : 21,452,014.42 = 12,758,205.38 : x
  2. Step 2: Convert to fraction form
    15,559,402.46/21,452,014.42 = 12,758,205.38/x
  3. Step 3: Cross multiply
    15,559,402.46x = 21,452,014.42 × 12,758,205.38
  4. Step 4: Simplify right side
    15,559,402.46x = 273,689,205,645,926
  5. Step 5: Solve for x
    x = 273,689,205,645,926/15,559,402.46
  6. Step 6: Final answer
    x = 17,589,956.07

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1.5x scale

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.