Home / 8,931,499.20-13,393,101.60-3,880,209.60

Finding the Fourth Proportional to 8,931,499.20, 13,393,101.60 and 3,880,209.60

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Solution

The fourth proportional to 8,931,499.20, 13,393,101.60 and 3,880,209.60 is: 5,818,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,499.20 : 13,393,101.60 = 3,880,209.60 : x
  2. Step 2: Convert to fraction form
    8,931,499.20/13,393,101.60 = 3,880,209.60/x
  3. Step 3: Cross multiply
    8,931,499.20x = 13,393,101.60 × 3,880,209.60
  4. Step 4: Simplify right side
    8,931,499.20x = 51,968,041,402,095.36
  5. Step 5: Solve for x
    x = 51,968,041,402,095.36/8,931,499.20
  6. Step 6: Final answer
    x = 5,818,512.69

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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.