Home / 12,906,596.52-17,812,144.28-7,400,483.65

Finding the Fourth Proportional to 12,906,596.52, 17,812,144.28 and 7,400,483.65

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Solution

The fourth proportional to 12,906,596.52, 17,812,144.28 and 7,400,483.65 is: 10,213,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,596.52 : 17,812,144.28 = 7,400,483.65 : x
  2. Step 2: Convert to fraction form
    12,906,596.52/17,812,144.28 = 7,400,483.65/x
  3. Step 3: Cross multiply
    12,906,596.52x = 17,812,144.28 × 7,400,483.65
  4. Step 4: Simplify right side
    12,906,596.52x = 131,818,482,478,578.59
  5. Step 5: Solve for x
    x = 131,818,482,478,578.59/12,906,596.52
  6. Step 6: Final answer
    x = 10,213,264.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.