Home / 13,402,534.80-20,103,802.20-11,170,482.60

Finding the Fourth Proportional to 13,402,534.80, 20,103,802.20 and 11,170,482.60

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Solution

The fourth proportional to 13,402,534.80, 20,103,802.20 and 11,170,482.60 is: 16,755,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,534.80 : 20,103,802.20 = 11,170,482.60 : x
  2. Step 2: Convert to fraction form
    13,402,534.80/20,103,802.20 = 11,170,482.60/x
  3. Step 3: Cross multiply
    13,402,534.80x = 20,103,802.20 × 11,170,482.60
  4. Step 4: Simplify right side
    13,402,534.80x = 224,569,172,668,941.72
  5. Step 5: Solve for x
    x = 224,569,172,668,941.72/13,402,534.80
  6. Step 6: Final answer
    x = 16,755,723.90

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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.