Home / 8,778,515.40-13,170,069.45-3,387,341.70

Finding the Fourth Proportional to 8,778,515.40, 13,170,069.45 and 3,387,341.70

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Solution

The fourth proportional to 8,778,515.40, 13,170,069.45 and 3,387,341.70 is: 5,081,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,515.40 : 13,170,069.45 = 3,387,341.70 : x
  2. Step 2: Convert to fraction form
    8,778,515.40/13,170,069.45 = 3,387,341.70/x
  3. Step 3: Cross multiply
    8,778,515.40x = 13,170,069.45 × 3,387,341.70
  4. Step 4: Simplify right side
    8,778,515.40x = 44,611,525,439,881.06
  5. Step 5: Solve for x
    x = 44,611,525,439,881.06/8,778,515.40
  6. Step 6: Final answer
    x = 5,081,898.64

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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.