Home / 12,922,502.90-19,374,423.15-7,244,467.70

Finding the Fourth Proportional to 12,922,502.90, 19,374,423.15 and 7,244,467.70

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Solution

The fourth proportional to 12,922,502.90, 19,374,423.15 and 7,244,467.70 is: 10,861,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,502.90 : 19,374,423.15 = 7,244,467.70 : x
  2. Step 2: Convert to fraction form
    12,922,502.90/19,374,423.15 = 7,244,467.70/x
  3. Step 3: Cross multiply
    12,922,502.90x = 19,374,423.15 × 7,244,467.70
  4. Step 4: Simplify right side
    12,922,502.90x = 140,357,382,716,307.25
  5. Step 5: Solve for x
    x = 140,357,382,716,307.25/12,922,502.90
  6. Step 6: Final answer
    x = 10,861,470.40

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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.