Home / 6,663,805.80-9,995,708.81-1,615,116.30

Finding the Fourth Proportional to 6,663,805.80, 9,995,708.81 and 1,615,116.30

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Solution

The fourth proportional to 6,663,805.80, 9,995,708.81 and 1,615,116.30 is: 2,422,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,805.80 : 9,995,708.81 = 1,615,116.30 : x
  2. Step 2: Convert to fraction form
    6,663,805.80/9,995,708.81 = 1,615,116.30/x
  3. Step 3: Cross multiply
    6,663,805.80x = 9,995,708.81 × 1,615,116.30
  4. Step 4: Simplify right side
    6,663,805.80x = 16,144,232,221,009.02
  5. Step 5: Solve for x
    x = 16,144,232,221,009.02/6,663,805.80
  6. Step 6: Final answer
    x = 2,422,674.48

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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.