Home / 40,414,828.10-55,772,485.17-21,829,968.15

Finding the Fourth Proportional to 40,414,828.10, 55,772,485.17 and 21,829,968.15

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Solution

The fourth proportional to 40,414,828.10, 55,772,485.17 and 21,829,968.15 is: 30,125,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414,828.10 : 55,772,485.17 = 21,829,968.15 : x
  2. Step 2: Convert to fraction form
    40,414,828.10/55,772,485.17 = 21,829,968.15/x
  3. Step 3: Cross multiply
    40,414,828.10x = 55,772,485.17 × 21,829,968.15
  4. Step 4: Simplify right side
    40,414,828.10x = 1,217,511,574,616,438
  5. Step 5: Solve for x
    x = 1,217,511,574,616,438/40,414,828.10
  6. Step 6: Final answer
    x = 30,125,368.14

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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.