Home / 21,281,612.95-31,926,902.75-6,903,558.07

Finding the Fourth Proportional to 21,281,612.95, 31,926,902.75 and 6,903,558.07

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Solution

The fourth proportional to 21,281,612.95, 31,926,902.75 and 6,903,558.07 is: 10,356,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281,612.95 : 31,926,902.75 = 6,903,558.07 : x
  2. Step 2: Convert to fraction form
    21,281,612.95/31,926,902.75 = 6,903,558.07/x
  3. Step 3: Cross multiply
    21,281,612.95x = 31,926,902.75 × 6,903,558.07
  4. Step 4: Simplify right side
    21,281,612.95x = 220,409,227,129,867.69
  5. Step 5: Solve for x
    x = 220,409,227,129,867.69/21,281,612.95
  6. Step 6: Final answer
    x = 10,356,791.45

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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.