Home / 8,806,645.40-13,209,968.10-6,405,416.60

Finding the Fourth Proportional to 8,806,645.40, 13,209,968.10 and 6,405,416.60

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Solution

The fourth proportional to 8,806,645.40, 13,209,968.10 and 6,405,416.60 is: 9,608,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,645.40 : 13,209,968.10 = 6,405,416.60 : x
  2. Step 2: Convert to fraction form
    8,806,645.40/13,209,968.10 = 6,405,416.60/x
  3. Step 3: Cross multiply
    8,806,645.40x = 13,209,968.10 × 6,405,416.60
  4. Step 4: Simplify right side
    8,806,645.40x = 84,615,348,953,210.45
  5. Step 5: Solve for x
    x = 84,615,348,953,210.45/8,806,645.40
  6. Step 6: Final answer
    x = 9,608,124.90

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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.