Home / 42,093,431.70-63,141,919.02-13,340,702.22

Finding the Fourth Proportional to 42,093,431.70, 63,141,919.02 and 13,340,702.22

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Solution

The fourth proportional to 42,093,431.70, 63,141,919.02 and 13,340,702.22 is: 20,011,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,093,431.70 : 63,141,919.02 = 13,340,702.22 : x
  2. Step 2: Convert to fraction form
    42,093,431.70/63,141,919.02 = 13,340,702.22/x
  3. Step 3: Cross multiply
    42,093,431.70x = 63,141,919.02 × 13,340,702.22
  4. Step 4: Simplify right side
    42,093,431.70x = 842,357,539,245,174.25
  5. Step 5: Solve for x
    x = 842,357,539,245,174.25/42,093,431.70
  6. Step 6: Final answer
    x = 20,011,614.76

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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.