Home / 15,606,104.69-21,535,938.08-8,636,362.90

Finding the Fourth Proportional to 15,606,104.69, 21,535,938.08 and 8,636,362.90

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Solution

The fourth proportional to 15,606,104.69, 21,535,938.08 and 8,636,362.90 is: 11,917,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,104.69 : 21,535,938.08 = 8,636,362.90 : x
  2. Step 2: Convert to fraction form
    15,606,104.69/21,535,938.08 = 8,636,362.90/x
  3. Step 3: Cross multiply
    15,606,104.69x = 21,535,938.08 × 8,636,362.90
  4. Step 4: Simplify right side
    15,606,104.69x = 185,992,176,586,173.94
  5. Step 5: Solve for x
    x = 185,992,176,586,173.94/15,606,104.69
  6. Step 6: Final answer
    x = 11,917,911.63

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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.