Home / 12,178,836-16,806,787.84-7,284,058.00

Finding the Fourth Proportional to 12,178,836, 16,806,787.84 and 7,284,058.00

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Solution

The fourth proportional to 12,178,836, 16,806,787.84 and 7,284,058.00 is: 10,051,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,836 : 16,806,787.84 = 7,284,058.00 : x
  2. Step 2: Convert to fraction form
    12,178,836/16,806,787.84 = 7,284,058.00/x
  3. Step 3: Cross multiply
    12,178,836x = 16,806,787.84 × 7,284,058.00
  4. Step 4: Simplify right side
    12,178,836x = 122,421,617,387,342.81
  5. Step 5: Solve for x
    x = 122,421,617,387,342.81/12,178,836
  6. Step 6: Final answer
    x = 10,051,996.54

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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.