Home / 8,071,927.57-11,136,465.56-5,172,916.92

Finding the Fourth Proportional to 8,071,927.57, 11,136,465.56 and 5,172,916.92

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Solution

The fourth proportional to 8,071,927.57, 11,136,465.56 and 5,172,916.92 is: 7,136,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,927.57 : 11,136,465.56 = 5,172,916.92 : x
  2. Step 2: Convert to fraction form
    8,071,927.57/11,136,465.56 = 5,172,916.92/x
  3. Step 3: Cross multiply
    8,071,927.57x = 11,136,465.56 × 5,172,916.92
  4. Step 4: Simplify right side
    8,071,927.57x = 57,608,011,095,491.82
  5. Step 5: Solve for x
    x = 57,608,011,095,491.82/8,071,927.57
  6. Step 6: Final answer
    x = 7,136,834.49

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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.