Home / 10,210,363.20-15,315,544.80-8,792,020.80

Finding the Fourth Proportional to 10,210,363.20, 15,315,544.80 and 8,792,020.80

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Solution

The fourth proportional to 10,210,363.20, 15,315,544.80 and 8,792,020.80 is: 13,188,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210,363.20 : 15,315,544.80 = 8,792,020.80 : x
  2. Step 2: Convert to fraction form
    10,210,363.20/15,315,544.80 = 8,792,020.80/x
  3. Step 3: Cross multiply
    10,210,363.20x = 15,315,544.80 × 8,792,020.80
  4. Step 4: Simplify right side
    10,210,363.20x = 134,654,588,444,931.86
  5. Step 5: Solve for x
    x = 134,654,588,444,931.86/10,210,363.20
  6. Step 6: Final answer
    x = 13,188,031.20

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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.