Home / 38,660,436.64-53,349,967.72-21,255,746.32

Finding the Fourth Proportional to 38,660,436.64, 53,349,967.72 and 21,255,746.32

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Solution

The fourth proportional to 38,660,436.64, 53,349,967.72 and 21,255,746.32 is: 29,332,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660,436.64 : 53,349,967.72 = 21,255,746.32 : x
  2. Step 2: Convert to fraction form
    38,660,436.64/53,349,967.72 = 21,255,746.32/x
  3. Step 3: Cross multiply
    38,660,436.64x = 53,349,967.72 × 21,255,746.32
  4. Step 4: Simplify right side
    38,660,436.64x = 1,133,993,380,036,508.75
  5. Step 5: Solve for x
    x = 1,133,993,380,036,508.75/38,660,436.64
  6. Step 6: Final answer
    x = 29,332,141.04

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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.