Home / 42,093,432.70-63,141,920.52-13,340,703.22

Finding the Fourth Proportional to 42,093,432.70, 63,141,920.52 and 13,340,703.22

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Solution

The fourth proportional to 42,093,432.70, 63,141,920.52 and 13,340,703.22 is: 20,011,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,093,432.70 : 63,141,920.52 = 13,340,703.22 : x
  2. Step 2: Convert to fraction form
    42,093,432.70/63,141,920.52 = 13,340,703.22/x
  3. Step 3: Cross multiply
    42,093,432.70x = 63,141,920.52 × 13,340,703.22
  4. Step 4: Simplify right side
    42,093,432.70x = 842,357,622,398,148.12
  5. Step 5: Solve for x
    x = 842,357,622,398,148.12/42,093,432.70
  6. Step 6: Final answer
    x = 20,011,616.26

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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.