Home / 9,378,505.50-12,942,337.59-5,304,037.02

Finding the Fourth Proportional to 9,378,505.50, 12,942,337.59 and 5,304,037.02

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Solution

The fourth proportional to 9,378,505.50, 12,942,337.59 and 5,304,037.02 is: 7,319,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,505.50 : 12,942,337.59 = 5,304,037.02 : x
  2. Step 2: Convert to fraction form
    9,378,505.50/12,942,337.59 = 5,304,037.02/x
  3. Step 3: Cross multiply
    9,378,505.50x = 12,942,337.59 × 5,304,037.02
  4. Step 4: Simplify right side
    9,378,505.50x = 68,646,637,702,697.58
  5. Step 5: Solve for x
    x = 68,646,637,702,697.58/9,378,505.50
  6. Step 6: Final answer
    x = 7,319,571.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.