Home / 21,004,811,671.41-28,986,726,841.53-11,359,541,431.74

Finding the Fourth Proportional to 21,004,811,671.41, 28,986,726,841.53 and 11,359,541,431.74

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Solution

The fourth proportional to 21,004,811,671.41, 28,986,726,841.53 and 11,359,541,431.74 is: 15,676,214,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,811,671.41 : 28,986,726,841.53 = 11,359,541,431.74 : x
  2. Step 2: Convert to fraction form
    21,004,811,671.41/28,986,726,841.53 = 11,359,541,431.74/x
  3. Step 3: Cross multiply
    21,004,811,671.41x = 28,986,726,841.53 × 11,359,541,431.74
  4. Step 4: Simplify right side
    21,004,811,671.41x = 329,275,924,526,833,205,248
  5. Step 5: Solve for x
    x = 329,275,924,526,833,205,248/21,004,811,671.41
  6. Step 6: Final answer
    x = 15,676,214,082.65

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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.