Home / 10,598,948.40-15,898,422.60-9,961,219.20

Finding the Fourth Proportional to 10,598,948.40, 15,898,422.60 and 9,961,219.20

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Solution

The fourth proportional to 10,598,948.40, 15,898,422.60 and 9,961,219.20 is: 14,941,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,948.40 : 15,898,422.60 = 9,961,219.20 : x
  2. Step 2: Convert to fraction form
    10,598,948.40/15,898,422.60 = 9,961,219.20/x
  3. Step 3: Cross multiply
    10,598,948.40x = 15,898,422.60 × 9,961,219.20
  4. Step 4: Simplify right side
    10,598,948.40x = 158,367,672,452,833.91
  5. Step 5: Solve for x
    x = 158,367,672,452,833.91/10,598,948.40
  6. Step 6: Final answer
    x = 14,941,828.80

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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.