Home / 27,643,901.59-38,149,393.65-15,085,765.44

Finding the Fourth Proportional to 27,643,901.59, 38,149,393.65 and 15,085,765.44

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Solution

The fourth proportional to 27,643,901.59, 38,149,393.65 and 15,085,765.44 is: 20,818,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643,901.59 : 38,149,393.65 = 15,085,765.44 : x
  2. Step 2: Convert to fraction form
    27,643,901.59/38,149,393.65 = 15,085,765.44/x
  3. Step 3: Cross multiply
    27,643,901.59x = 38,149,393.65 × 15,085,765.44
  4. Step 4: Simplify right side
    27,643,901.59x = 575,512,804,282,125.38
  5. Step 5: Solve for x
    x = 575,512,804,282,125.38/27,643,901.59
  6. Step 6: Final answer
    x = 20,818,798.04

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1.5x scale

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.