Home / 15,484,579.38-21,369,916.53-9,289,858.14

Finding the Fourth Proportional to 15,484,579.38, 21,369,916.53 and 9,289,858.14

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Solution

The fourth proportional to 15,484,579.38, 21,369,916.53 and 9,289,858.14 is: 12,820,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484,579.38 : 21,369,916.53 = 9,289,858.14 : x
  2. Step 2: Convert to fraction form
    15,484,579.38/21,369,916.53 = 9,289,858.14/x
  3. Step 3: Cross multiply
    15,484,579.38x = 21,369,916.53 × 9,289,858.14
  4. Step 4: Simplify right side
    15,484,579.38x = 198,523,493,027,341.06
  5. Step 5: Solve for x
    x = 198,523,493,027,341.06/15,484,579.38
  6. Step 6: Final answer
    x = 12,820,722.36

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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.