Home / 18,768,139.20-28,152,208.80-14,737,060.80

Finding the Fourth Proportional to 18,768,139.20, 28,152,208.80 and 14,737,060.80

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Solution

The fourth proportional to 18,768,139.20, 28,152,208.80 and 14,737,060.80 is: 22,105,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768,139.20 : 28,152,208.80 = 14,737,060.80 : x
  2. Step 2: Convert to fraction form
    18,768,139.20/28,152,208.80 = 14,737,060.80/x
  3. Step 3: Cross multiply
    18,768,139.20x = 28,152,208.80 × 14,737,060.80
  4. Step 4: Simplify right side
    18,768,139.20x = 414,880,812,739,895.06
  5. Step 5: Solve for x
    x = 414,880,812,739,895.06/18,768,139.20
  6. Step 6: Final answer
    x = 22,105,591.20

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1.5x scale

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.