Home / 15,851,741-21,875,405.76-9,656,787.38

Finding the Fourth Proportional to 15,851,741, 21,875,405.76 and 9,656,787.38

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Solution

The fourth proportional to 15,851,741, 21,875,405.76 and 9,656,787.38 is: 13,326,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851,741 : 21,875,405.76 = 9,656,787.38 : x
  2. Step 2: Convert to fraction form
    15,851,741/21,875,405.76 = 9,656,787.38/x
  3. Step 3: Cross multiply
    15,851,741x = 21,875,405.76 × 9,656,787.38
  4. Step 4: Simplify right side
    15,851,741x = 211,246,142,227,263.38
  5. Step 5: Solve for x
    x = 211,246,142,227,263.38/15,851,741
  6. Step 6: Final answer
    x = 13,326,368.52

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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.