Home / 10,209,225.70-15,313,838.55-9,199,487.80

Finding the Fourth Proportional to 10,209,225.70, 15,313,838.55 and 9,199,487.80

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Solution

The fourth proportional to 10,209,225.70, 15,313,838.55 and 9,199,487.80 is: 13,799,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209,225.70 : 15,313,838.55 = 9,199,487.80 : x
  2. Step 2: Convert to fraction form
    10,209,225.70/15,313,838.55 = 9,199,487.80/x
  3. Step 3: Cross multiply
    10,209,225.70x = 15,313,838.55 × 9,199,487.80
  4. Step 4: Simplify right side
    10,209,225.70x = 140,879,470,911,894.72
  5. Step 5: Solve for x
    x = 140,879,470,911,894.72/10,209,225.70
  6. Step 6: Final answer
    x = 13,799,231.70

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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.