Home / 18,713,536.52-28,070,283.18-7,044,086.12

Finding the Fourth Proportional to 18,713,536.52, 28,070,283.18 and 7,044,086.12

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Solution

The fourth proportional to 18,713,536.52, 28,070,283.18 and 7,044,086.12 is: 10,566,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,536.52 : 28,070,283.18 = 7,044,086.12 : x
  2. Step 2: Convert to fraction form
    18,713,536.52/28,070,283.18 = 7,044,086.12/x
  3. Step 3: Cross multiply
    18,713,536.52x = 28,070,283.18 × 7,044,086.12
  4. Step 4: Simplify right side
    18,713,536.52x = 197,729,492,132,707.47
  5. Step 5: Solve for x
    x = 197,729,492,132,707.47/18,713,536.52
  6. Step 6: Final answer
    x = 10,566,121.05

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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.