Home / 19,306,002.90-28,958,561.55-9,718,806.90

Finding the Fourth Proportional to 19,306,002.90, 28,958,561.55 and 9,718,806.90

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Solution

The fourth proportional to 19,306,002.90, 28,958,561.55 and 9,718,806.90 is: 14,577,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,002.90 : 28,958,561.55 = 9,718,806.90 : x
  2. Step 2: Convert to fraction form
    19,306,002.90/28,958,561.55 = 9,718,806.90/x
  3. Step 3: Cross multiply
    19,306,002.90x = 28,958,561.55 × 9,718,806.90
  4. Step 4: Simplify right side
    19,306,002.90x = 281,442,667,806,214.72
  5. Step 5: Solve for x
    x = 281,442,667,806,214.72/19,306,002.90
  6. Step 6: Final answer
    x = 14,577,987.44

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1.5x scale

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.