Home / 8,525,058.40-12,787,587.60-5,340,008.80

Finding the Fourth Proportional to 8,525,058.40, 12,787,587.60 and 5,340,008.80

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Solution

The fourth proportional to 8,525,058.40, 12,787,587.60 and 5,340,008.80 is: 8,010,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,058.40 : 12,787,587.60 = 5,340,008.80 : x
  2. Step 2: Convert to fraction form
    8,525,058.40/12,787,587.60 = 5,340,008.80/x
  3. Step 3: Cross multiply
    8,525,058.40x = 12,787,587.60 × 5,340,008.80
  4. Step 4: Simplify right side
    8,525,058.40x = 68,285,830,314,770.88
  5. Step 5: Solve for x
    x = 68,285,830,314,770.88/8,525,058.40
  6. Step 6: Final answer
    x = 8,010,013.20

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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.