Home / 18,690,392-25,792,590.84-10,850,631.68

Finding the Fourth Proportional to 18,690,392, 25,792,590.84 and 10,850,631.68

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Solution

The fourth proportional to 18,690,392, 25,792,590.84 and 10,850,631.68 is: 14,973,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,392 : 25,792,590.84 = 10,850,631.68 : x
  2. Step 2: Convert to fraction form
    18,690,392/25,792,590.84 = 10,850,631.68/x
  3. Step 3: Cross multiply
    18,690,392x = 25,792,590.84 × 10,850,631.68
  4. Step 4: Simplify right side
    18,690,392x = 279,865,903,277,781.81
  5. Step 5: Solve for x
    x = 279,865,903,277,781.81/18,690,392
  6. Step 6: Final answer
    x = 14,973,784.57

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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.