Home / 22,248,533.40-33,372,800.10-20,689,639.80

Finding the Fourth Proportional to 22,248,533.40, 33,372,800.10 and 20,689,639.80

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Solution

The fourth proportional to 22,248,533.40, 33,372,800.10 and 20,689,639.80 is: 31,034,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248,533.40 : 33,372,800.10 = 20,689,639.80 : x
  2. Step 2: Convert to fraction form
    22,248,533.40/33,372,800.10 = 20,689,639.80/x
  3. Step 3: Cross multiply
    22,248,533.40x = 33,372,800.10 × 20,689,639.80
  4. Step 4: Simplify right side
    22,248,533.40x = 690,471,213,186,404
  5. Step 5: Solve for x
    x = 690,471,213,186,404/22,248,533.40
  6. Step 6: Final answer
    x = 31,034,459.70

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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.