Home / 15,442,665.81-21,302,024.74-9,631,358.47

Finding the Fourth Proportional to 15,442,665.81, 21,302,024.74 and 9,631,358.47

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Solution

The fourth proportional to 15,442,665.81, 21,302,024.74 and 9,631,358.47 is: 13,285,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,665.81 : 21,302,024.74 = 9,631,358.47 : x
  2. Step 2: Convert to fraction form
    15,442,665.81/21,302,024.74 = 9,631,358.47/x
  3. Step 3: Cross multiply
    15,442,665.81x = 21,302,024.74 × 9,631,358.47
  4. Step 4: Simplify right side
    15,442,665.81x = 205,167,436,464,474.06
  5. Step 5: Solve for x
    x = 205,167,436,464,474.06/15,442,665.81
  6. Step 6: Final answer
    x = 13,285,752.54

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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.