Home / 27,670,220.78-41,472,309.81-12,878,411.40

Finding the Fourth Proportional to 27,670,220.78, 41,472,309.81 and 12,878,411.40

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Solution

The fourth proportional to 27,670,220.78, 41,472,309.81 and 12,878,411.40 is: 19,302,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670,220.78 : 41,472,309.81 = 12,878,411.40 : x
  2. Step 2: Convert to fraction form
    27,670,220.78/41,472,309.81 = 12,878,411.40/x
  3. Step 3: Cross multiply
    27,670,220.78x = 41,472,309.81 × 12,878,411.40
  4. Step 4: Simplify right side
    27,670,220.78x = 534,097,467,441,435.88
  5. Step 5: Solve for x
    x = 534,097,467,441,435.88/27,670,220.78
  6. Step 6: Final answer
    x = 19,302,248.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.