Home / 11,128,719.60-16,693,079.40-10,030,408.20

Finding the Fourth Proportional to 11,128,719.60, 16,693,079.40 and 10,030,408.20

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Solution

The fourth proportional to 11,128,719.60, 16,693,079.40 and 10,030,408.20 is: 15,045,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,719.60 : 16,693,079.40 = 10,030,408.20 : x
  2. Step 2: Convert to fraction form
    11,128,719.60/16,693,079.40 = 10,030,408.20/x
  3. Step 3: Cross multiply
    11,128,719.60x = 16,693,079.40 × 10,030,408.20
  4. Step 4: Simplify right side
    11,128,719.60x = 167,438,400,497,011.06
  5. Step 5: Solve for x
    x = 167,438,400,497,011.06/11,128,719.60
  6. Step 6: Final answer
    x = 15,045,612.30

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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.