Home / 8,969,636.71-13,456,417.36-2,904,981.52

Finding the Fourth Proportional to 8,969,636.71, 13,456,417.36 and 2,904,981.52

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Solution

The fourth proportional to 8,969,636.71, 13,456,417.36 and 2,904,981.52 is: 4,358,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,636.71 : 13,456,417.36 = 2,904,981.52 : x
  2. Step 2: Convert to fraction form
    8,969,636.71/13,456,417.36 = 2,904,981.52/x
  3. Step 3: Cross multiply
    8,969,636.71x = 13,456,417.36 × 2,904,981.52
  4. Step 4: Simplify right side
    8,969,636.71x = 39,090,643,745,981.31
  5. Step 5: Solve for x
    x = 39,090,643,745,981.31/8,969,636.71
  6. Step 6: Final answer
    x = 4,358,107.81

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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.