Home / 10,368,847.80-15,553,271.70-9,361,078.20

Finding the Fourth Proportional to 10,368,847.80, 15,553,271.70 and 9,361,078.20

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Solution

The fourth proportional to 10,368,847.80, 15,553,271.70 and 9,361,078.20 is: 14,041,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,847.80 : 15,553,271.70 = 9,361,078.20 : x
  2. Step 2: Convert to fraction form
    10,368,847.80/15,553,271.70 = 9,361,078.20/x
  3. Step 3: Cross multiply
    10,368,847.80x = 15,553,271.70 × 9,361,078.20
  4. Step 4: Simplify right side
    10,368,847.80x = 145,595,392,649,546.91
  5. Step 5: Solve for x
    x = 145,595,392,649,546.91/10,368,847.80
  6. Step 6: Final answer
    x = 14,041,617.30

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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.