Home / 13,080,456.47-18,052,748.80-7,500,886.47

Finding the Fourth Proportional to 13,080,456.47, 18,052,748.80 and 7,500,886.47

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Solution

The fourth proportional to 13,080,456.47, 18,052,748.80 and 7,500,886.47 is: 10,352,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080,456.47 : 18,052,748.80 = 7,500,886.47 : x
  2. Step 2: Convert to fraction form
    13,080,456.47/18,052,748.80 = 7,500,886.47/x
  3. Step 3: Cross multiply
    13,080,456.47x = 18,052,748.80 × 7,500,886.47
  4. Step 4: Simplify right side
    13,080,456.47x = 135,411,619,201,476.52
  5. Step 5: Solve for x
    x = 135,411,619,201,476.52/13,080,456.47
  6. Step 6: Final answer
    x = 10,352,209.00

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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.