Home / 13,974,886.12-20,966,607.44-7,156,287.16

Finding the Fourth Proportional to 13,974,886.12, 20,966,607.44 and 7,156,287.16

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Solution

The fourth proportional to 13,974,886.12, 20,966,607.44 and 7,156,287.16 is: 10,736,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974,886.12 : 20,966,607.44 = 7,156,287.16 : x
  2. Step 2: Convert to fraction form
    13,974,886.12/20,966,607.44 = 7,156,287.16/x
  3. Step 3: Cross multiply
    13,974,886.12x = 20,966,607.44 × 7,156,287.16
  4. Step 4: Simplify right side
    13,974,886.12x = 150,043,063,611,632.47
  5. Step 5: Solve for x
    x = 150,043,063,611,632.47/13,974,886.12
  6. Step 6: Final answer
    x = 10,736,621.56

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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.