Home / 8,806,645.90-13,209,968.85-6,405,417.10

Finding the Fourth Proportional to 8,806,645.90, 13,209,968.85 and 6,405,417.10

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Solution

The fourth proportional to 8,806,645.90, 13,209,968.85 and 6,405,417.10 is: 9,608,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,645.90 : 13,209,968.85 = 6,405,417.10 : x
  2. Step 2: Convert to fraction form
    8,806,645.90/13,209,968.85 = 6,405,417.10/x
  3. Step 3: Cross multiply
    8,806,645.90x = 13,209,968.85 × 6,405,417.10
  4. Step 4: Simplify right side
    8,806,645.90x = 84,615,360,362,257.33
  5. Step 5: Solve for x
    x = 84,615,360,362,257.33/8,806,645.90
  6. Step 6: Final answer
    x = 9,608,125.65

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Similar ratio
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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.