Home / 7,156,750.80-10,731,448.74-2,107,405.20

Finding the Fourth Proportional to 7,156,750.80, 10,731,448.74 and 2,107,405.20

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Solution

The fourth proportional to 7,156,750.80, 10,731,448.74 and 2,107,405.20 is: 3,160,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,750.80 : 10,731,448.74 = 2,107,405.20 : x
  2. Step 2: Convert to fraction form
    7,156,750.80/10,731,448.74 = 2,107,405.20/x
  3. Step 3: Cross multiply
    7,156,750.80x = 10,731,448.74 × 2,107,405.20
  4. Step 4: Simplify right side
    7,156,750.80x = 22,615,510,878,209.45
  5. Step 5: Solve for x
    x = 22,615,510,878,209.45/7,156,750.80
  6. Step 6: Final answer
    x = 3,160,024.92

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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.