Home / 39,880,200.31-59,820,300.69-12,605,648.09

Finding the Fourth Proportional to 39,880,200.31, 59,820,300.69 and 12,605,648.09

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Solution

The fourth proportional to 39,880,200.31, 59,820,300.69 and 12,605,648.09 is: 18,908,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880,200.31 : 59,820,300.69 = 12,605,648.09 : x
  2. Step 2: Convert to fraction form
    39,880,200.31/59,820,300.69 = 12,605,648.09/x
  3. Step 3: Cross multiply
    39,880,200.31x = 59,820,300.69 × 12,605,648.09
  4. Step 4: Simplify right side
    39,880,200.31x = 754,073,659,285,674.88
  5. Step 5: Solve for x
    x = 754,073,659,285,674.88/39,880,200.31
  6. Step 6: Final answer
    x = 18,908,472.21

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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.