Home / 13,009,069.32-17,952,278.04-7,207,829.88

Finding the Fourth Proportional to 13,009,069.32, 17,952,278.04 and 7,207,829.88

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Solution

The fourth proportional to 13,009,069.32, 17,952,278.04 and 7,207,829.88 is: 9,946,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,069.32 : 17,952,278.04 = 7,207,829.88 : x
  2. Step 2: Convert to fraction form
    13,009,069.32/17,952,278.04 = 7,207,829.88/x
  3. Step 3: Cross multiply
    13,009,069.32x = 17,952,278.04 × 7,207,829.88
  4. Step 4: Simplify right side
    13,009,069.32x = 129,396,966,070,779.83
  5. Step 5: Solve for x
    x = 129,396,966,070,779.83/13,009,069.32
  6. Step 6: Final answer
    x = 9,946,673.58

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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.