Home / 21,343,871.95-29,454,509.40-11,554,313.53

Finding the Fourth Proportional to 21,343,871.95, 29,454,509.40 and 11,554,313.53

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Solution

The fourth proportional to 21,343,871.95, 29,454,509.40 and 11,554,313.53 is: 15,944,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,871.95 : 29,454,509.40 = 11,554,313.53 : x
  2. Step 2: Convert to fraction form
    21,343,871.95/29,454,509.40 = 11,554,313.53/x
  3. Step 3: Cross multiply
    21,343,871.95x = 29,454,509.40 × 11,554,313.53
  4. Step 4: Simplify right side
    21,343,871.95x = 340,326,636,479,932.12
  5. Step 5: Solve for x
    x = 340,326,636,479,932.12/21,343,871.95
  6. Step 6: Final answer
    x = 15,944,934.32

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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.