Home / 12,788,551.28-19,182,549.95-3,566,277.71

Finding the Fourth Proportional to 12,788,551.28, 19,182,549.95 and 3,566,277.71

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Solution

The fourth proportional to 12,788,551.28, 19,182,549.95 and 3,566,277.71 is: 5,349,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,551.28 : 19,182,549.95 = 3,566,277.71 : x
  2. Step 2: Convert to fraction form
    12,788,551.28/19,182,549.95 = 3,566,277.71/x
  3. Step 3: Cross multiply
    12,788,551.28x = 19,182,549.95 × 3,566,277.71
  4. Step 4: Simplify right side
    12,788,551.28x = 68,410,300,202,818.18
  5. Step 5: Solve for x
    x = 68,410,300,202,818.18/12,788,551.28
  6. Step 6: Final answer
    x = 5,349,339.32

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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.