Home / 12,481,485.40-18,724,301.70-4,908,698.20

Finding the Fourth Proportional to 12,481,485.40, 18,724,301.70 and 4,908,698.20

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Solution

The fourth proportional to 12,481,485.40, 18,724,301.70 and 4,908,698.20 is: 7,363,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,485.40 : 18,724,301.70 = 4,908,698.20 : x
  2. Step 2: Convert to fraction form
    12,481,485.40/18,724,301.70 = 4,908,698.20/x
  3. Step 3: Cross multiply
    12,481,485.40x = 18,724,301.70 × 4,908,698.20
  4. Step 4: Simplify right side
    12,481,485.40x = 91,911,946,051,046.94
  5. Step 5: Solve for x
    x = 91,911,946,051,046.94/12,481,485.40
  6. Step 6: Final answer
    x = 7,363,862.80

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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.