Home / 37,226,943.40-55,885,904.70-21,064,138.60

Finding the Fourth Proportional to 37,226,943.40, 55,885,904.70 and 21,064,138.60

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Solution

The fourth proportional to 37,226,943.40, 55,885,904.70 and 21,064,138.60 is: 31,621,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,226,943.40 : 55,885,904.70 = 21,064,138.60 : x
  2. Step 2: Convert to fraction form
    37,226,943.40/55,885,904.70 = 21,064,138.60/x
  3. Step 3: Cross multiply
    37,226,943.40x = 55,885,904.70 × 21,064,138.60
  4. Step 4: Simplify right side
    37,226,943.40x = 1,177,188,442,387,191.50
  5. Step 5: Solve for x
    x = 1,177,188,442,387,191.50/37,226,943.40
  6. Step 6: Final answer
    x = 31,621,947.30

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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.