Home / 8,806,005.20-13,209,007.80-7,924,206.80

Finding the Fourth Proportional to 8,806,005.20, 13,209,007.80 and 7,924,206.80

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Solution

The fourth proportional to 8,806,005.20, 13,209,007.80 and 7,924,206.80 is: 11,886,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,005.20 : 13,209,007.80 = 7,924,206.80 : x
  2. Step 2: Convert to fraction form
    8,806,005.20/13,209,007.80 = 7,924,206.80/x
  3. Step 3: Cross multiply
    8,806,005.20x = 13,209,007.80 × 7,924,206.80
  4. Step 4: Simplify right side
    8,806,005.20x = 104,670,909,430,013.05
  5. Step 5: Solve for x
    x = 104,670,909,430,013.05/8,806,005.20
  6. Step 6: Final answer
    x = 11,886,310.20

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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.