Home / 37,387,731.20-56,081,596.80-21,263,417.60

Finding the Fourth Proportional to 37,387,731.20, 56,081,596.80 and 21,263,417.60

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Solution

The fourth proportional to 37,387,731.20, 56,081,596.80 and 21,263,417.60 is: 31,895,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387,731.20 : 56,081,596.80 = 21,263,417.60 : x
  2. Step 2: Convert to fraction form
    37,387,731.20/56,081,596.80 = 21,263,417.60/x
  3. Step 3: Cross multiply
    37,387,731.20x = 56,081,596.80 × 21,263,417.60
  4. Step 4: Simplify right side
    37,387,731.20x = 1,192,486,412,433,223.75
  5. Step 5: Solve for x
    x = 1,192,486,412,433,223.75/37,387,731.20
  6. Step 6: Final answer
    x = 31,895,126.40

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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.