Home / 15,036,510.38-20,750,583.39-8,161,074.86

Finding the Fourth Proportional to 15,036,510.38, 20,750,583.39 and 8,161,074.86

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Solution

The fourth proportional to 15,036,510.38, 20,750,583.39 and 8,161,074.86 is: 11,262,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,510.38 : 20,750,583.39 = 8,161,074.86 : x
  2. Step 2: Convert to fraction form
    15,036,510.38/20,750,583.39 = 8,161,074.86/x
  3. Step 3: Cross multiply
    15,036,510.38x = 20,750,583.39 × 8,161,074.86
  4. Step 4: Simplify right side
    15,036,510.38x = 169,347,064,434,462.59
  5. Step 5: Solve for x
    x = 169,347,064,434,462.59/15,036,510.38
  6. Step 6: Final answer
    x = 11,262,391.35

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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.