Home / 15,282,867.84-21,090,035.52-8,407,224.96

Finding the Fourth Proportional to 15,282,867.84, 21,090,035.52 and 8,407,224.96

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Solution

The fourth proportional to 15,282,867.84, 21,090,035.52 and 8,407,224.96 is: 11,601,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282,867.84 : 21,090,035.52 = 8,407,224.96 : x
  2. Step 2: Convert to fraction form
    15,282,867.84/21,090,035.52 = 8,407,224.96/x
  3. Step 3: Cross multiply
    15,282,867.84x = 21,090,035.52 × 8,407,224.96
  4. Step 4: Simplify right side
    15,282,867.84x = 177,308,673,031,030.59
  5. Step 5: Solve for x
    x = 177,308,673,031,030.59/15,282,867.84
  6. Step 6: Final answer
    x = 11,601,793.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.