Home / 37,921,966.40-52,331,941.06-20,517,929.75

Finding the Fourth Proportional to 37,921,966.40, 52,331,941.06 and 20,517,929.75

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Solution

The fourth proportional to 37,921,966.40, 52,331,941.06 and 20,517,929.75 is: 28,314,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921,966.40 : 52,331,941.06 = 20,517,929.75 : x
  2. Step 2: Convert to fraction form
    37,921,966.40/52,331,941.06 = 20,517,929.75/x
  3. Step 3: Cross multiply
    37,921,966.40x = 52,331,941.06 × 20,517,929.75
  4. Step 4: Simplify right side
    37,921,966.40x = 1,073,743,090,037,266
  5. Step 5: Solve for x
    x = 1,073,743,090,037,266/37,921,966.40
  6. Step 6: Final answer
    x = 28,314,541.47

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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.