Home / 18,356,470.69-25,331,980.17-10,097,379.40

Finding the Fourth Proportional to 18,356,470.69, 25,331,980.17 and 10,097,379.40

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Solution

The fourth proportional to 18,356,470.69, 25,331,980.17 and 10,097,379.40 is: 13,934,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356,470.69 : 25,331,980.17 = 10,097,379.40 : x
  2. Step 2: Convert to fraction form
    18,356,470.69/25,331,980.17 = 10,097,379.40/x
  3. Step 3: Cross multiply
    18,356,470.69x = 25,331,980.17 × 10,097,379.40
  4. Step 4: Simplify right side
    18,356,470.69x = 255,786,614,729,766.53
  5. Step 5: Solve for x
    x = 255,786,614,729,766.53/18,356,470.69
  6. Step 6: Final answer
    x = 13,934,411.42

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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.