Home / 31,990,058.40-47,985,087.60-28,462,864.80

Finding the Fourth Proportional to 31,990,058.40, 47,985,087.60 and 28,462,864.80

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Solution

The fourth proportional to 31,990,058.40, 47,985,087.60 and 28,462,864.80 is: 42,694,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990,058.40 : 47,985,087.60 = 28,462,864.80 : x
  2. Step 2: Convert to fraction form
    31,990,058.40/47,985,087.60 = 28,462,864.80/x
  3. Step 3: Cross multiply
    31,990,058.40x = 47,985,087.60 × 28,462,864.80
  4. Step 4: Simplify right side
    31,990,058.40x = 1,365,793,060,774,956.50
  5. Step 5: Solve for x
    x = 1,365,793,060,774,956.50/31,990,058.40
  6. Step 6: Final answer
    x = 42,694,297.20

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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.