Home / 27,857,803.69-38,441,895.67-15,467,256.78

Finding the Fourth Proportional to 27,857,803.69, 38,441,895.67 and 15,467,256.78

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Solution

The fourth proportional to 27,857,803.69, 38,441,895.67 and 15,467,256.78 is: 21,343,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857,803.69 : 38,441,895.67 = 15,467,256.78 : x
  2. Step 2: Convert to fraction form
    27,857,803.69/38,441,895.67 = 15,467,256.78/x
  3. Step 3: Cross multiply
    27,857,803.69x = 38,441,895.67 × 15,467,256.78
  4. Step 4: Simplify right side
    27,857,803.69x = 594,590,671,437,860.12
  5. Step 5: Solve for x
    x = 594,590,671,437,860.12/27,857,803.69
  6. Step 6: Final answer
    x = 21,343,774.19

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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.