Home / 28,134,993.96-42,196,585.80-7,935,512.04

Finding the Fourth Proportional to 28,134,993.96, 42,196,585.80 and 7,935,512.04

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Solution

The fourth proportional to 28,134,993.96, 42,196,585.80 and 7,935,512.04 is: 11,901,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,993.96 : 42,196,585.80 = 7,935,512.04 : x
  2. Step 2: Convert to fraction form
    28,134,993.96/42,196,585.80 = 7,935,512.04/x
  3. Step 3: Cross multiply
    28,134,993.96x = 42,196,585.80 × 7,935,512.04
  4. Step 4: Simplify right side
    28,134,993.96x = 334,851,514,662,793
  5. Step 5: Solve for x
    x = 334,851,514,662,793/28,134,993.96
  6. Step 6: Final answer
    x = 11,901,602.51

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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.