Home / 21,020,925.60-31,532,425.20-10,943,229.60

Finding the Fourth Proportional to 21,020,925.60, 31,532,425.20 and 10,943,229.60

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Solution

The fourth proportional to 21,020,925.60, 31,532,425.20 and 10,943,229.60 is: 16,415,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,925.60 : 31,532,425.20 = 10,943,229.60 : x
  2. Step 2: Convert to fraction form
    21,020,925.60/31,532,425.20 = 10,943,229.60/x
  3. Step 3: Cross multiply
    21,020,925.60x = 31,532,425.20 × 10,943,229.60
  4. Step 4: Simplify right side
    21,020,925.60x = 345,066,568,808,425.88
  5. Step 5: Solve for x
    x = 345,066,568,808,425.88/21,020,925.60
  6. Step 6: Final answer
    x = 16,415,384.15

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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.