Home / 21,207,079.33-29,266,156.47-11,788,754.74

Finding the Fourth Proportional to 21,207,079.33, 29,266,156.47 and 11,788,754.74

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Solution

The fourth proportional to 21,207,079.33, 29,266,156.47 and 11,788,754.74 is: 16,268,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207,079.33 : 29,266,156.47 = 11,788,754.74 : x
  2. Step 2: Convert to fraction form
    21,207,079.33/29,266,156.47 = 11,788,754.74/x
  3. Step 3: Cross multiply
    21,207,079.33x = 29,266,156.47 × 11,788,754.74
  4. Step 4: Simplify right side
    21,207,079.33x = 345,011,540,807,294.19
  5. Step 5: Solve for x
    x = 345,011,540,807,294.19/21,207,079.33
  6. Step 6: Final answer
    x = 16,268,696.67

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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.