Home / 10,114,465.80-15,171,698.70-8,319,376.20

Finding the Fourth Proportional to 10,114,465.80, 15,171,698.70 and 8,319,376.20

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Solution

The fourth proportional to 10,114,465.80, 15,171,698.70 and 8,319,376.20 is: 12,479,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114,465.80 : 15,171,698.70 = 8,319,376.20 : x
  2. Step 2: Convert to fraction form
    10,114,465.80/15,171,698.70 = 8,319,376.20/x
  3. Step 3: Cross multiply
    10,114,465.80x = 15,171,698.70 × 8,319,376.20
  4. Step 4: Simplify right side
    10,114,465.80x = 126,219,069,078,350.94
  5. Step 5: Solve for x
    x = 126,219,069,078,350.94/10,114,465.80
  6. Step 6: Final answer
    x = 12,479,064.30

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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.