Home / 40,430,759.60-60,604,805.10-19,928,946.80

Finding the Fourth Proportional to 40,430,759.60, 60,604,805.10 and 19,928,946.80

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Solution

The fourth proportional to 40,430,759.60, 60,604,805.10 and 19,928,946.80 is: 29,873,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430,759.60 : 60,604,805.10 = 19,928,946.80 : x
  2. Step 2: Convert to fraction form
    40,430,759.60/60,604,805.10 = 19,928,946.80/x
  3. Step 3: Cross multiply
    40,430,759.60x = 60,604,805.10 × 19,928,946.80
  4. Step 4: Simplify right side
    40,430,759.60x = 1,207,789,936,662,268.75
  5. Step 5: Solve for x
    x = 1,207,789,936,662,268.75/40,430,759.60
  6. Step 6: Final answer
    x = 29,873,045.88

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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.