Home / 19,838,618.34-27,377,279.28-11,136,807.78

Finding the Fourth Proportional to 19,838,618.34, 27,377,279.28 and 11,136,807.78

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Solution

The fourth proportional to 19,838,618.34, 27,377,279.28 and 11,136,807.78 is: 15,368,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838,618.34 : 27,377,279.28 = 11,136,807.78 : x
  2. Step 2: Convert to fraction form
    19,838,618.34/27,377,279.28 = 11,136,807.78/x
  3. Step 3: Cross multiply
    19,838,618.34x = 27,377,279.28 × 11,136,807.78
  4. Step 4: Simplify right side
    19,838,618.34x = 304,895,496,880,736.81
  5. Step 5: Solve for x
    x = 304,895,496,880,736.81/19,838,618.34
  6. Step 6: Final answer
    x = 15,368,786.86

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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.