Home / 11,421,468.80-17,132,203.20-8,020,246.40

Finding the Fourth Proportional to 11,421,468.80, 17,132,203.20 and 8,020,246.40

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Solution

The fourth proportional to 11,421,468.80, 17,132,203.20 and 8,020,246.40 is: 12,030,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,468.80 : 17,132,203.20 = 8,020,246.40 : x
  2. Step 2: Convert to fraction form
    11,421,468.80/17,132,203.20 = 8,020,246.40/x
  3. Step 3: Cross multiply
    11,421,468.80x = 17,132,203.20 × 8,020,246.40
  4. Step 4: Simplify right side
    11,421,468.80x = 137,404,491,038,868.48
  5. Step 5: Solve for x
    x = 137,404,491,038,868.48/11,421,468.80
  6. Step 6: Final answer
    x = 12,030,369.60

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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.