Home / 7,008,421.56-9,671,623.69-3,868,687.14

Finding the Fourth Proportional to 7,008,421.56, 9,671,623.69 and 3,868,687.14

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Solution

The fourth proportional to 7,008,421.56, 9,671,623.69 and 3,868,687.14 is: 5,338,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,421.56 : 9,671,623.69 = 3,868,687.14 : x
  2. Step 2: Convert to fraction form
    7,008,421.56/9,671,623.69 = 3,868,687.14/x
  3. Step 3: Cross multiply
    7,008,421.56x = 9,671,623.69 × 3,868,687.14
  4. Step 4: Simplify right side
    7,008,421.56x = 37,416,486,142,855.15
  5. Step 5: Solve for x
    x = 37,416,486,142,855.15/7,008,421.56
  6. Step 6: Final answer
    x = 5,338,789.31

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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.