Home / 14,811,351.48-20,431,436.76-8,615,700.72

Finding the Fourth Proportional to 14,811,351.48, 20,431,436.76 and 8,615,700.72

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Solution

The fourth proportional to 14,811,351.48, 20,431,436.76 and 8,615,700.72 is: 11,884,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811,351.48 : 20,431,436.76 = 8,615,700.72 : x
  2. Step 2: Convert to fraction form
    14,811,351.48/20,431,436.76 = 8,615,700.72/x
  3. Step 3: Cross multiply
    14,811,351.48x = 20,431,436.76 × 8,615,700.72
  4. Step 4: Simplify right side
    14,811,351.48x = 176,031,144,403,766.50
  5. Step 5: Solve for x
    x = 176,031,144,403,766.50/14,811,351.48
  6. Step 6: Final answer
    x = 11,884,880.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.