Home / 38,293,727.52-52,845,344.04-20,890,142.96

Finding the Fourth Proportional to 38,293,727.52, 52,845,344.04 and 20,890,142.96

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Solution

The fourth proportional to 38,293,727.52, 52,845,344.04 and 20,890,142.96 is: 28,828,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293,727.52 : 52,845,344.04 = 20,890,142.96 : x
  2. Step 2: Convert to fraction form
    38,293,727.52/52,845,344.04 = 20,890,142.96/x
  3. Step 3: Cross multiply
    38,293,727.52x = 52,845,344.04 × 20,890,142.96
  4. Step 4: Simplify right side
    38,293,727.52x = 1,103,946,791,765,984
  5. Step 5: Solve for x
    x = 1,103,946,791,765,984/38,293,727.52
  6. Step 6: Final answer
    x = 28,828,397.32

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1.5x scale

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.