Home / 35,219,947.20-52,829,920.80-12,503,140.80

Finding the Fourth Proportional to 35,219,947.20, 52,829,920.80 and 12,503,140.80

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Solution

The fourth proportional to 35,219,947.20, 52,829,920.80 and 12,503,140.80 is: 18,754,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219,947.20 : 52,829,920.80 = 12,503,140.80 : x
  2. Step 2: Convert to fraction form
    35,219,947.20/52,829,920.80 = 12,503,140.80/x
  3. Step 3: Cross multiply
    35,219,947.20x = 52,829,920.80 × 12,503,140.80
  4. Step 4: Simplify right side
    35,219,947.20x = 660,539,938,215,248.62
  5. Step 5: Solve for x
    x = 660,539,938,215,248.62/35,219,947.20
  6. Step 6: Final answer
    x = 18,754,711.20

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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.