Home / 8,806,459.20-13,209,688.80-8,022,638.40

Finding the Fourth Proportional to 8,806,459.20, 13,209,688.80 and 8,022,638.40

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Solution

The fourth proportional to 8,806,459.20, 13,209,688.80 and 8,022,638.40 is: 12,033,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,459.20 : 13,209,688.80 = 8,022,638.40 : x
  2. Step 2: Convert to fraction form
    8,806,459.20/13,209,688.80 = 8,022,638.40/x
  3. Step 3: Cross multiply
    8,806,459.20x = 13,209,688.80 × 8,022,638.40
  4. Step 4: Simplify right side
    8,806,459.20x = 105,976,556,618,929.94
  5. Step 5: Solve for x
    x = 105,976,556,618,929.94/8,806,459.20
  6. Step 6: Final answer
    x = 12,033,957.60

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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.