Home / 38,326,966.68-57,487,211.42-12,418,719.64

Finding the Fourth Proportional to 38,326,966.68, 57,487,211.42 and 12,418,719.64

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Solution

The fourth proportional to 38,326,966.68, 57,487,211.42 and 12,418,719.64 is: 18,627,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326,966.68 : 57,487,211.42 = 12,418,719.64 : x
  2. Step 2: Convert to fraction form
    38,326,966.68/57,487,211.42 = 12,418,719.64/x
  3. Step 3: Cross multiply
    38,326,966.68x = 57,487,211.42 × 12,418,719.64
  4. Step 4: Simplify right side
    38,326,966.68x = 713,917,561,510,386.38
  5. Step 5: Solve for x
    x = 713,917,561,510,386.38/38,326,966.68
  6. Step 6: Final answer
    x = 18,627,030.09

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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.