Home / 8,403,259.40-12,604,889.10-5,214,613.40

Finding the Fourth Proportional to 8,403,259.40, 12,604,889.10 and 5,214,613.40

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Solution

The fourth proportional to 8,403,259.40, 12,604,889.10 and 5,214,613.40 is: 7,821,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,259.40 : 12,604,889.10 = 5,214,613.40 : x
  2. Step 2: Convert to fraction form
    8,403,259.40/12,604,889.10 = 5,214,613.40/x
  3. Step 3: Cross multiply
    8,403,259.40x = 12,604,889.10 × 5,214,613.40
  4. Step 4: Simplify right side
    8,403,259.40x = 65,729,623,606,373.95
  5. Step 5: Solve for x
    x = 65,729,623,606,373.95/8,403,259.40
  6. Step 6: Final answer
    x = 7,821,920.10

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Similar ratio
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1.5x scale

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.