Home / 7,643,720.08-10,548,017.40-4,159,073.20

Finding the Fourth Proportional to 7,643,720.08, 10,548,017.40 and 4,159,073.20

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Solution

The fourth proportional to 7,643,720.08, 10,548,017.40 and 4,159,073.20 is: 5,739,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,720.08 : 10,548,017.40 = 4,159,073.20 : x
  2. Step 2: Convert to fraction form
    7,643,720.08/10,548,017.40 = 4,159,073.20/x
  3. Step 3: Cross multiply
    7,643,720.08x = 10,548,017.40 × 4,159,073.20
  4. Step 4: Simplify right side
    7,643,720.08x = 43,869,976,481,473.68
  5. Step 5: Solve for x
    x = 43,869,976,481,473.68/7,643,720.08
  6. Step 6: Final answer
    x = 5,739,348.91

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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.