Home / 12,713,191.20-19,070,374.32-4,194,272.16

Finding the Fourth Proportional to 12,713,191.20, 19,070,374.32 and 4,194,272.16

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Solution

The fourth proportional to 12,713,191.20, 19,070,374.32 and 4,194,272.16 is: 6,291,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,191.20 : 19,070,374.32 = 4,194,272.16 : x
  2. Step 2: Convert to fraction form
    12,713,191.20/19,070,374.32 = 4,194,272.16/x
  3. Step 3: Cross multiply
    12,713,191.20x = 19,070,374.32 × 4,194,272.16
  4. Step 4: Simplify right side
    12,713,191.20x = 79,986,340,091,154.94
  5. Step 5: Solve for x
    x = 79,986,340,091,154.94/12,713,191.20
  6. Step 6: Final answer
    x = 6,291,602.07

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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.