Home / 9,072,038.80-13,608,058.20-7,371,427.60

Finding the Fourth Proportional to 9,072,038.80, 13,608,058.20 and 7,371,427.60

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Solution

The fourth proportional to 9,072,038.80, 13,608,058.20 and 7,371,427.60 is: 11,057,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,038.80 : 13,608,058.20 = 7,371,427.60 : x
  2. Step 2: Convert to fraction form
    9,072,038.80/13,608,058.20 = 7,371,427.60/x
  3. Step 3: Cross multiply
    9,072,038.80x = 13,608,058.20 × 7,371,427.60
  4. Step 4: Simplify right side
    9,072,038.80x = 100,310,815,797,886.31
  5. Step 5: Solve for x
    x = 100,310,815,797,886.31/9,072,038.80
  6. Step 6: Final answer
    x = 11,057,141.40

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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.