Home / 26,115,046-36,000,780.86-18,250,139.92

Finding the Fourth Proportional to 26,115,046, 36,000,780.86 and 18,250,139.92

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Solution

The fourth proportional to 26,115,046, 36,000,780.86 and 18,250,139.92 is: 25,158,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115,046 : 36,000,780.86 = 18,250,139.92 : x
  2. Step 2: Convert to fraction form
    26,115,046/36,000,780.86 = 18,250,139.92/x
  3. Step 3: Cross multiply
    26,115,046x = 36,000,780.86 × 18,250,139.92
  4. Step 4: Simplify right side
    26,115,046x = 657,019,287,924,258
  5. Step 5: Solve for x
    x = 657,019,287,924,258/26,115,046
  6. Step 6: Final answer
    x = 25,158,649.46

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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.