Home / 42,560,520.31-63,849,756.89-13,804,422.76

Finding the Fourth Proportional to 42,560,520.31, 63,849,756.89 and 13,804,422.76

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Solution

The fourth proportional to 42,560,520.31, 63,849,756.89 and 13,804,422.76 is: 20,709,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,560,520.31 : 63,849,756.89 = 13,804,422.76 : x
  2. Step 2: Convert to fraction form
    42,560,520.31/63,849,756.89 = 13,804,422.76/x
  3. Step 3: Cross multiply
    42,560,520.31x = 63,849,756.89 × 13,804,422.76
  4. Step 4: Simplify right side
    42,560,520.31x = 881,409,037,232,782.75
  5. Step 5: Solve for x
    x = 881,409,037,232,782.75/42,560,520.31
  6. Step 6: Final answer
    x = 20,709,545.63

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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.