Home / 12,481,490.40-18,724,309.20-4,908,703.20

Finding the Fourth Proportional to 12,481,490.40, 18,724,309.20 and 4,908,703.20

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Solution

The fourth proportional to 12,481,490.40, 18,724,309.20 and 4,908,703.20 is: 7,363,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,490.40 : 18,724,309.20 = 4,908,703.20 : x
  2. Step 2: Convert to fraction form
    12,481,490.40/18,724,309.20 = 4,908,703.20/x
  3. Step 3: Cross multiply
    12,481,490.40x = 18,724,309.20 × 4,908,703.20
  4. Step 4: Simplify right side
    12,481,490.40x = 91,912,076,487,829.44
  5. Step 5: Solve for x
    x = 91,912,076,487,829.44/12,481,490.40
  6. Step 6: Final answer
    x = 7,363,870.30

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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.