Home / 25,839,659.40-38,759,489.10-7,886,430.60

Finding the Fourth Proportional to 25,839,659.40, 38,759,489.10 and 7,886,430.60

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Solution

The fourth proportional to 25,839,659.40, 38,759,489.10 and 7,886,430.60 is: 11,829,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839,659.40 : 38,759,489.10 = 7,886,430.60 : x
  2. Step 2: Convert to fraction form
    25,839,659.40/38,759,489.10 = 7,886,430.60/x
  3. Step 3: Cross multiply
    25,839,659.40x = 38,759,489.10 × 7,886,430.60
  4. Step 4: Simplify right side
    25,839,659.40x = 305,674,020,878,606.44
  5. Step 5: Solve for x
    x = 305,674,020,878,606.44/25,839,659.40
  6. Step 6: Final answer
    x = 11,829,645.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.