Home / 18,768,934.09-25,900,411.66-10,508,223.61

Finding the Fourth Proportional to 18,768,934.09, 25,900,411.66 and 10,508,223.61

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Solution

The fourth proportional to 18,768,934.09, 25,900,411.66 and 10,508,223.61 is: 14,500,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768,934.09 : 25,900,411.66 = 10,508,223.61 : x
  2. Step 2: Convert to fraction form
    18,768,934.09/25,900,411.66 = 10,508,223.61/x
  3. Step 3: Cross multiply
    18,768,934.09x = 25,900,411.66 × 10,508,223.61
  4. Step 4: Simplify right side
    18,768,934.09x = 272,167,317,314,331.28
  5. Step 5: Solve for x
    x = 272,167,317,314,331.28/18,768,934.09
  6. Step 6: Final answer
    x = 14,500,946.94

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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.