Home / 22,385,428.20-33,578,142.30-7,250,221.80

Finding the Fourth Proportional to 22,385,428.20, 33,578,142.30 and 7,250,221.80

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Solution

The fourth proportional to 22,385,428.20, 33,578,142.30 and 7,250,221.80 is: 10,875,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,428.20 : 33,578,142.30 = 7,250,221.80 : x
  2. Step 2: Convert to fraction form
    22,385,428.20/33,578,142.30 = 7,250,221.80/x
  3. Step 3: Cross multiply
    22,385,428.20x = 33,578,142.30 × 7,250,221.80
  4. Step 4: Simplify right side
    22,385,428.20x = 243,448,979,306,962.12
  5. Step 5: Solve for x
    x = 243,448,979,306,962.12/22,385,428.20
  6. Step 6: Final answer
    x = 10,875,332.70

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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.