Home / 13,280,034.10-19,920,051.15-9,668,859.70

Finding the Fourth Proportional to 13,280,034.10, 19,920,051.15 and 9,668,859.70

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Solution

The fourth proportional to 13,280,034.10, 19,920,051.15 and 9,668,859.70 is: 14,503,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,034.10 : 19,920,051.15 = 9,668,859.70 : x
  2. Step 2: Convert to fraction form
    13,280,034.10/19,920,051.15 = 9,668,859.70/x
  3. Step 3: Cross multiply
    13,280,034.10x = 19,920,051.15 × 9,668,859.70
  4. Step 4: Simplify right side
    13,280,034.10x = 192,604,179,786,173.62
  5. Step 5: Solve for x
    x = 192,604,179,786,173.62/13,280,034.10
  6. Step 6: Final answer
    x = 14,503,289.55

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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.