Home / 13,598,445.76-20,384,844.95-6,768,561.62

Finding the Fourth Proportional to 13,598,445.76, 20,384,844.95 and 6,768,561.62

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Solution

The fourth proportional to 13,598,445.76, 20,384,844.95 and 6,768,561.62 is: 10,146,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598,445.76 : 20,384,844.95 = 6,768,561.62 : x
  2. Step 2: Convert to fraction form
    13,598,445.76/20,384,844.95 = 6,768,561.62/x
  3. Step 3: Cross multiply
    13,598,445.76x = 20,384,844.95 × 6,768,561.62
  4. Step 4: Simplify right side
    13,598,445.76x = 137,976,079,158,220.81
  5. Step 5: Solve for x
    x = 137,976,079,158,220.81/13,598,445.76
  6. Step 6: Final answer
    x = 10,146,459.50

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1.5x scale

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.