Home / 12,151,213.40-18,202,325.70-7,588,256.60

Finding the Fourth Proportional to 12,151,213.40, 18,202,325.70 and 7,588,256.60

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Solution

The fourth proportional to 12,151,213.40, 18,202,325.70 and 7,588,256.60 is: 11,367,088.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,213.40 : 18,202,325.70 = 7,588,256.60 : x
  2. Step 2: Convert to fraction form
    12,151,213.40/18,202,325.70 = 7,588,256.60/x
  3. Step 3: Cross multiply
    12,151,213.40x = 18,202,325.70 × 7,588,256.60
  4. Step 4: Simplify right side
    12,151,213.40x = 138,123,918,128,374.61
  5. Step 5: Solve for x
    x = 138,123,918,128,374.61/12,151,213.40
  6. Step 6: Final answer
    x = 11,367,088.50

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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.