Home / 12,528,065.80-18,792,098.70-6,481,448.20

Finding the Fourth Proportional to 12,528,065.80, 18,792,098.70 and 6,481,448.20

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Solution

The fourth proportional to 12,528,065.80, 18,792,098.70 and 6,481,448.20 is: 9,722,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,065.80 : 18,792,098.70 = 6,481,448.20 : x
  2. Step 2: Convert to fraction form
    12,528,065.80/18,792,098.70 = 6,481,448.20/x
  3. Step 3: Cross multiply
    12,528,065.80x = 18,792,098.70 × 6,481,448.20
  4. Step 4: Simplify right side
    12,528,065.80x = 121,800,014,293,337.34
  5. Step 5: Solve for x
    x = 121,800,014,293,337.34/12,528,065.80
  6. Step 6: Final answer
    x = 9,722,172.30

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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.