Home / 53,217,811.20-79,826,716.80-17,316,019.20

Finding the Fourth Proportional to 53,217,811.20, 79,826,716.80 and 17,316,019.20

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Solution

The fourth proportional to 53,217,811.20, 79,826,716.80 and 17,316,019.20 is: 25,974,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217,811.20 : 79,826,716.80 = 17,316,019.20 : x
  2. Step 2: Convert to fraction form
    53,217,811.20/79,826,716.80 = 17,316,019.20/x
  3. Step 3: Cross multiply
    53,217,811.20x = 79,826,716.80 × 17,316,019.20
  4. Step 4: Simplify right side
    53,217,811.20x = 1,382,280,960,781,762.50
  5. Step 5: Solve for x
    x = 1,382,280,960,781,762.50/53,217,811.20
  6. Step 6: Final answer
    x = 25,974,028.80

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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.