Home / 10,921,040.80-16,381,561.20-10,708,464.40

Finding the Fourth Proportional to 10,921,040.80, 16,381,561.20 and 10,708,464.40

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Solution

The fourth proportional to 10,921,040.80, 16,381,561.20 and 10,708,464.40 is: 16,062,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,040.80 : 16,381,561.20 = 10,708,464.40 : x
  2. Step 2: Convert to fraction form
    10,921,040.80/16,381,561.20 = 10,708,464.40/x
  3. Step 3: Cross multiply
    10,921,040.80x = 16,381,561.20 × 10,708,464.40
  4. Step 4: Simplify right side
    10,921,040.80x = 175,421,364,926,621.28
  5. Step 5: Solve for x
    x = 175,421,364,926,621.28/10,921,040.80
  6. Step 6: Final answer
    x = 16,062,696.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.