Home / 11,128,753.60-16,693,130.40-10,030,442.20

Finding the Fourth Proportional to 11,128,753.60, 16,693,130.40 and 10,030,442.20

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Solution

The fourth proportional to 11,128,753.60, 16,693,130.40 and 10,030,442.20 is: 15,045,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,753.60 : 16,693,130.40 = 10,030,442.20 : x
  2. Step 2: Convert to fraction form
    11,128,753.60/16,693,130.40 = 10,030,442.20/x
  3. Step 3: Cross multiply
    11,128,753.60x = 16,693,130.40 × 10,030,442.20
  4. Step 4: Simplify right side
    11,128,753.60x = 167,439,479,614,262.88
  5. Step 5: Solve for x
    x = 167,439,479,614,262.88/11,128,753.60
  6. Step 6: Final answer
    x = 15,045,663.30

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1.5x scale

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.