Home / 10,221,124.25-15,338,504.41-5,301,689.87

Finding the Fourth Proportional to 10,221,124.25, 15,338,504.41 and 5,301,689.87

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Solution

The fourth proportional to 10,221,124.25, 15,338,504.41 and 5,301,689.87 is: 7,956,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,124.25 : 15,338,504.41 = 5,301,689.87 : x
  2. Step 2: Convert to fraction form
    10,221,124.25/15,338,504.41 = 5,301,689.87/x
  3. Step 3: Cross multiply
    10,221,124.25x = 15,338,504.41 × 5,301,689.87
  4. Step 4: Simplify right side
    10,221,124.25x = 81,319,993,424,938.88
  5. Step 5: Solve for x
    x = 81,319,993,424,938.88/10,221,124.25
  6. Step 6: Final answer
    x = 7,956,071.31

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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.