Home / 12,603,947.40-18,905,921.10-10,084,523.40

Finding the Fourth Proportional to 12,603,947.40, 18,905,921.10 and 10,084,523.40

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Solution

The fourth proportional to 12,603,947.40, 18,905,921.10 and 10,084,523.40 is: 15,126,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,947.40 : 18,905,921.10 = 10,084,523.40 : x
  2. Step 2: Convert to fraction form
    12,603,947.40/18,905,921.10 = 10,084,523.40/x
  3. Step 3: Cross multiply
    12,603,947.40x = 18,905,921.10 × 10,084,523.40
  4. Step 4: Simplify right side
    12,603,947.40x = 190,657,203,731,503.75
  5. Step 5: Solve for x
    x = 190,657,203,731,503.75/12,603,947.40
  6. Step 6: Final answer
    x = 15,126,785.10

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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.