Home / 28,114,151.64-42,176,979.18-9,667,700.91

Finding the Fourth Proportional to 28,114,151.64, 42,176,979.18 and 9,667,700.91

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Solution

The fourth proportional to 28,114,151.64, 42,176,979.18 and 9,667,700.91 is: 14,503,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,151.64 : 42,176,979.18 = 9,667,700.91 : x
  2. Step 2: Convert to fraction form
    28,114,151.64/42,176,979.18 = 9,667,700.91/x
  3. Step 3: Cross multiply
    28,114,151.64x = 42,176,979.18 × 9,667,700.91
  4. Step 4: Simplify right side
    28,114,151.64x = 407,754,419,999,537.06
  5. Step 5: Solve for x
    x = 407,754,419,999,537.06/28,114,151.64
  6. Step 6: Final answer
    x = 14,503,529.23

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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.