Home / 40,943,947.80-61,415,921.70-19,420,587.30

Finding the Fourth Proportional to 40,943,947.80, 61,415,921.70 and 19,420,587.30

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Solution

The fourth proportional to 40,943,947.80, 61,415,921.70 and 19,420,587.30 is: 29,130,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,947.80 : 61,415,921.70 = 19,420,587.30 : x
  2. Step 2: Convert to fraction form
    40,943,947.80/61,415,921.70 = 19,420,587.30/x
  3. Step 3: Cross multiply
    40,943,947.80x = 61,415,921.70 × 19,420,587.30
  4. Step 4: Simplify right side
    40,943,947.80x = 1,192,733,268,984,814.50
  5. Step 5: Solve for x
    x = 1,192,733,268,984,814.50/40,943,947.80
  6. Step 6: Final answer
    x = 29,130,880.95

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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.