Home / 21,261,457.01-31,866,275.94-11,020,670.95

Finding the Fourth Proportional to 21,261,457.01, 31,866,275.94 and 11,020,670.95

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Solution

The fourth proportional to 21,261,457.01, 31,866,275.94 and 11,020,670.95 is: 16,517,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,457.01 : 31,866,275.94 = 11,020,670.95 : x
  2. Step 2: Convert to fraction form
    21,261,457.01/31,866,275.94 = 11,020,670.95/x
  3. Step 3: Cross multiply
    21,261,457.01x = 31,866,275.94 × 11,020,670.95
  4. Step 4: Simplify right side
    21,261,457.01x = 351,187,741,536,641.94
  5. Step 5: Solve for x
    x = 351,187,741,536,641.94/21,261,457.01
  6. Step 6: Final answer
    x = 16,517,576.45

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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.