Home / 38,765,124.86-53,496,231.10-21,362,092.88

Finding the Fourth Proportional to 38,765,124.86, 53,496,231.10 and 21,362,092.88

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Solution

The fourth proportional to 38,765,124.86, 53,496,231.10 and 21,362,092.88 is: 29,479,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,124.86 : 53,496,231.10 = 21,362,092.88 : x
  2. Step 2: Convert to fraction form
    38,765,124.86/53,496,231.10 = 21,362,092.88/x
  3. Step 3: Cross multiply
    38,765,124.86x = 53,496,231.10 × 21,362,092.88
  4. Step 4: Simplify right side
    38,765,124.86x = 1,142,791,457,167,258
  5. Step 5: Solve for x
    x = 1,142,791,457,167,258/38,765,124.86
  6. Step 6: Final answer
    x = 29,479,885.89

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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.