Home / 40,168,246.84-60,260,388.18-21,007,629.88

Finding the Fourth Proportional to 40,168,246.84, 60,260,388.18 and 21,007,629.88

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Solution

The fourth proportional to 40,168,246.84, 60,260,388.18 and 21,007,629.88 is: 31,515,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168,246.84 : 60,260,388.18 = 21,007,629.88 : x
  2. Step 2: Convert to fraction form
    40,168,246.84/60,260,388.18 = 21,007,629.88/x
  3. Step 3: Cross multiply
    40,168,246.84x = 60,260,388.18 × 21,007,629.88
  4. Step 4: Simplify right side
    40,168,246.84x = 1,265,927,931,310,566.75
  5. Step 5: Solve for x
    x = 1,265,927,931,310,566.75/40,168,246.84
  6. Step 6: Final answer
    x = 31,515,638.12

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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.