Home / 15,878,077.92-23,795,052.48-8,289,907.20

Finding the Fourth Proportional to 15,878,077.92, 23,795,052.48 and 8,289,907.20

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Solution

The fourth proportional to 15,878,077.92, 23,795,052.48 and 8,289,907.20 is: 12,423,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878,077.92 : 23,795,052.48 = 8,289,907.20 : x
  2. Step 2: Convert to fraction form
    15,878,077.92/23,795,052.48 = 8,289,907.20/x
  3. Step 3: Cross multiply
    15,878,077.92x = 23,795,052.48 × 8,289,907.20
  4. Step 4: Simplify right side
    15,878,077.92x = 197,258,776,878,329.88
  5. Step 5: Solve for x
    x = 197,258,776,878,329.88/15,878,077.92
  6. Step 6: Final answer
    x = 12,423,341.03

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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.