Home / 8,679,771.48-13,023,856.26-5,312,141.40

Finding the Fourth Proportional to 8,679,771.48, 13,023,856.26 and 5,312,141.40

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Solution

The fourth proportional to 8,679,771.48, 13,023,856.26 and 5,312,141.40 is: 7,970,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,771.48 : 13,023,856.26 = 5,312,141.40 : x
  2. Step 2: Convert to fraction form
    8,679,771.48/13,023,856.26 = 5,312,141.40/x
  3. Step 3: Cross multiply
    8,679,771.48x = 13,023,856.26 × 5,312,141.40
  4. Step 4: Simplify right side
    8,679,771.48x = 69,184,566,026,395.16
  5. Step 5: Solve for x
    x = 69,184,566,026,395.16/8,679,771.48
  6. Step 6: Final answer
    x = 7,970,781.97

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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.