Home / 8,969,288.16-12,378,020.09-5,050,391.93

Finding the Fourth Proportional to 8,969,288.16, 12,378,020.09 and 5,050,391.93

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Solution

The fourth proportional to 8,969,288.16, 12,378,020.09 and 5,050,391.93 is: 6,969,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,288.16 : 12,378,020.09 = 5,050,391.93 : x
  2. Step 2: Convert to fraction form
    8,969,288.16/12,378,020.09 = 5,050,391.93/x
  3. Step 3: Cross multiply
    8,969,288.16x = 12,378,020.09 × 5,050,391.93
  4. Step 4: Simplify right side
    8,969,288.16x = 62,513,852,684,771.81
  5. Step 5: Solve for x
    x = 62,513,852,684,771.81/8,969,288.16
  6. Step 6: Final answer
    x = 6,969,767.45

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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.