Home / 12,356,521.20-18,540,030.60-5,963,482.80

Finding the Fourth Proportional to 12,356,521.20, 18,540,030.60 and 5,963,482.80

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Solution

The fourth proportional to 12,356,521.20, 18,540,030.60 and 5,963,482.80 is: 8,947,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,521.20 : 18,540,030.60 = 5,963,482.80 : x
  2. Step 2: Convert to fraction form
    12,356,521.20/18,540,030.60 = 5,963,482.80/x
  3. Step 3: Cross multiply
    12,356,521.20x = 18,540,030.60 × 5,963,482.80
  4. Step 4: Simplify right side
    12,356,521.20x = 110,563,153,594,573.69
  5. Step 5: Solve for x
    x = 110,563,153,594,573.69/12,356,521.20
  6. Step 6: Final answer
    x = 8,947,757.37

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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.