Home / 38,660,446.64-53,349,981.54-21,255,756.32

Finding the Fourth Proportional to 38,660,446.64, 53,349,981.54 and 21,255,756.32

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Solution

The fourth proportional to 38,660,446.64, 53,349,981.54 and 21,255,756.32 is: 29,332,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660,446.64 : 53,349,981.54 = 21,255,756.32 : x
  2. Step 2: Convert to fraction form
    38,660,446.64/53,349,981.54 = 21,255,756.32/x
  3. Step 3: Cross multiply
    38,660,446.64x = 53,349,981.54 × 21,255,756.32
  4. Step 4: Simplify right side
    38,660,446.64x = 1,133,994,207,290,738.25
  5. Step 5: Solve for x
    x = 1,133,994,207,290,738.25/38,660,446.64
  6. Step 6: Final answer
    x = 29,332,154.85

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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.