Home / 21,181,741.90-31,777,365.93-6,805,628.62

Finding the Fourth Proportional to 21,181,741.90, 31,777,365.93 and 6,805,628.62

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Solution

The fourth proportional to 21,181,741.90, 31,777,365.93 and 6,805,628.62 is: 10,209,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,181,741.90 : 31,777,365.93 = 6,805,628.62 : x
  2. Step 2: Convert to fraction form
    21,181,741.90/31,777,365.93 = 6,805,628.62/x
  3. Step 3: Cross multiply
    21,181,741.90x = 31,777,365.93 × 6,805,628.62
  4. Step 4: Simplify right side
    21,181,741.90x = 216,264,951,041,420.91
  5. Step 5: Solve for x
    x = 216,264,951,041,420.91/21,181,741.90
  6. Step 6: Final answer
    x = 10,209,970.08

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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.