Home / 7,165,347.81-9,888,111.95-3,902,217

Finding the Fourth Proportional to 7,165,347.81, 9,888,111.95 and 3,902,217

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Solution

The fourth proportional to 7,165,347.81, 9,888,111.95 and 3,902,217 is: 5,385,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165,347.81 : 9,888,111.95 = 3,902,217 : x
  2. Step 2: Convert to fraction form
    7,165,347.81/9,888,111.95 = 3,902,217/x
  3. Step 3: Cross multiply
    7,165,347.81x = 9,888,111.95 × 3,902,217
  4. Step 4: Simplify right side
    7,165,347.81x = 38,585,558,529,682.06
  5. Step 5: Solve for x
    x = 38,585,558,529,682.06/7,165,347.81
  6. Step 6: Final answer
    x = 5,385,022.41

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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.