Home / 7,345,210.80-11,017,816.20-3,943,988.40

Finding the Fourth Proportional to 7,345,210.80, 11,017,816.20 and 3,943,988.40

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Solution

The fourth proportional to 7,345,210.80, 11,017,816.20 and 3,943,988.40 is: 5,915,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,210.80 : 11,017,816.20 = 3,943,988.40 : x
  2. Step 2: Convert to fraction form
    7,345,210.80/11,017,816.20 = 3,943,988.40/x
  3. Step 3: Cross multiply
    7,345,210.80x = 11,017,816.20 × 3,943,988.40
  4. Step 4: Simplify right side
    7,345,210.80x = 43,454,139,286,132.08
  5. Step 5: Solve for x
    x = 43,454,139,286,132.08/7,345,210.80
  6. Step 6: Final answer
    x = 5,915,982.60

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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.