Home / 10,518,833.88-15,778,700.37-4,130,470.80

Finding the Fourth Proportional to 10,518,833.88, 15,778,700.37 and 4,130,470.80

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Solution

The fourth proportional to 10,518,833.88, 15,778,700.37 and 4,130,470.80 is: 6,195,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518,833.88 : 15,778,700.37 = 4,130,470.80 : x
  2. Step 2: Convert to fraction form
    10,518,833.88/15,778,700.37 = 4,130,470.80/x
  3. Step 3: Cross multiply
    10,518,833.88x = 15,778,700.37 × 4,130,470.80
  4. Step 4: Simplify right side
    10,518,833.88x = 65,173,461,140,234.19
  5. Step 5: Solve for x
    x = 65,173,461,140,234.19/10,518,833.88
  6. Step 6: Final answer
    x = 6,195,882.73

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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.