Home / 5,431,726.90-8,147,590.35-5,347,746.10

Finding the Fourth Proportional to 5,431,726.90, 8,147,590.35 and 5,347,746.10

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Solution

The fourth proportional to 5,431,726.90, 8,147,590.35 and 5,347,746.10 is: 8,021,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,726.90 : 8,147,590.35 = 5,347,746.10 : x
  2. Step 2: Convert to fraction form
    5,431,726.90/8,147,590.35 = 5,347,746.10/x
  3. Step 3: Cross multiply
    5,431,726.90x = 8,147,590.35 × 5,347,746.10
  4. Step 4: Simplify right side
    5,431,726.90x = 43,571,244,518,610.13
  5. Step 5: Solve for x
    x = 43,571,244,518,610.13/5,431,726.90
  6. Step 6: Final answer
    x = 8,021,619.15

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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.