Home / 10,553,408.80-15,830,113.20-7,899,200.80

Finding the Fourth Proportional to 10,553,408.80, 15,830,113.20 and 7,899,200.80

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Solution

The fourth proportional to 10,553,408.80, 15,830,113.20 and 7,899,200.80 is: 11,848,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,408.80 : 15,830,113.20 = 7,899,200.80 : x
  2. Step 2: Convert to fraction form
    10,553,408.80/15,830,113.20 = 7,899,200.80/x
  3. Step 3: Cross multiply
    10,553,408.80x = 15,830,113.20 × 7,899,200.80
  4. Step 4: Simplify right side
    10,553,408.80x = 125,045,242,853,530.55
  5. Step 5: Solve for x
    x = 125,045,242,853,530.55/10,553,408.80
  6. Step 6: Final answer
    x = 11,848,801.20

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Double scale
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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.