Home / 47,128,015.20-70,642,256.40-26,889,679.20

Finding the Fourth Proportional to 47,128,015.20, 70,642,256.40 and 26,889,679.20

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Solution

The fourth proportional to 47,128,015.20, 70,642,256.40 and 26,889,679.20 is: 40,306,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,128,015.20 : 70,642,256.40 = 26,889,679.20 : x
  2. Step 2: Convert to fraction form
    47,128,015.20/70,642,256.40 = 26,889,679.20/x
  3. Step 3: Cross multiply
    47,128,015.20x = 70,642,256.40 × 26,889,679.20
  4. Step 4: Simplify right side
    47,128,015.20x = 1,899,547,612,560,147
  5. Step 5: Solve for x
    x = 1,899,547,612,560,147/47,128,015.20
  6. Step 6: Final answer
    x = 40,306,123.75

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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.