Home / 15,442,669.68-21,302,030.07-9,631,362.30

Finding the Fourth Proportional to 15,442,669.68, 21,302,030.07 and 9,631,362.30

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Solution

The fourth proportional to 15,442,669.68, 21,302,030.07 and 9,631,362.30 is: 13,285,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,669.68 : 21,302,030.07 = 9,631,362.30 : x
  2. Step 2: Convert to fraction form
    15,442,669.68/21,302,030.07 = 9,631,362.30/x
  3. Step 3: Cross multiply
    15,442,669.68x = 21,302,030.07 × 9,631,362.30
  4. Step 4: Simplify right side
    15,442,669.68x = 205,167,569,329,664.38
  5. Step 5: Solve for x
    x = 205,167,569,329,664.38/15,442,669.68
  6. Step 6: Final answer
    x = 13,285,757.81

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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.