Home / 11,017,347.60-16,526,021.40-9,789,128.40

Finding the Fourth Proportional to 11,017,347.60, 16,526,021.40 and 9,789,128.40

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Solution

The fourth proportional to 11,017,347.60, 16,526,021.40 and 9,789,128.40 is: 14,683,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017,347.60 : 16,526,021.40 = 9,789,128.40 : x
  2. Step 2: Convert to fraction form
    11,017,347.60/16,526,021.40 = 9,789,128.40/x
  3. Step 3: Cross multiply
    11,017,347.60x = 16,526,021.40 × 9,789,128.40
  4. Step 4: Simplify right side
    11,017,347.60x = 161,775,345,425,747.78
  5. Step 5: Solve for x
    x = 161,775,345,425,747.78/11,017,347.60
  6. Step 6: Final answer
    x = 14,683,692.60

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Double scale
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Similar ratio
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1.5x scale

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.