Home / 8,918,133.39-12,307,185.32-5,051,454.75

Finding the Fourth Proportional to 8,918,133.39, 12,307,185.32 and 5,051,454.75

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Solution

The fourth proportional to 8,918,133.39, 12,307,185.32 and 5,051,454.75 is: 6,971,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,133.39 : 12,307,185.32 = 5,051,454.75 : x
  2. Step 2: Convert to fraction form
    8,918,133.39/12,307,185.32 = 5,051,454.75/x
  3. Step 3: Cross multiply
    8,918,133.39x = 12,307,185.32 × 5,051,454.75
  4. Step 4: Simplify right side
    8,918,133.39x = 62,169,189,743,844.27
  5. Step 5: Solve for x
    x = 62,169,189,743,844.27/8,918,133.39
  6. Step 6: Final answer
    x = 6,971,098.89

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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.