Home / 7,086,228-9,779,520.24-4,031,426.40

Finding the Fourth Proportional to 7,086,228, 9,779,520.24 and 4,031,426.40

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Solution

The fourth proportional to 7,086,228, 9,779,520.24 and 4,031,426.40 is: 5,563,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,228 : 9,779,520.24 = 4,031,426.40 : x
  2. Step 2: Convert to fraction form
    7,086,228/9,779,520.24 = 4,031,426.40/x
  3. Step 3: Cross multiply
    7,086,228x = 9,779,520.24 × 4,031,426.40
  4. Step 4: Simplify right side
    7,086,228x = 39,425,416,074,870.34
  5. Step 5: Solve for x
    x = 39,425,416,074,870.34/7,086,228
  6. Step 6: Final answer
    x = 5,563,667.45

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Double scale
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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.