Home / 9,072,381.80-13,608,572.70-8,348,047.40

Finding the Fourth Proportional to 9,072,381.80, 13,608,572.70 and 8,348,047.40

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Solution

The fourth proportional to 9,072,381.80, 13,608,572.70 and 8,348,047.40 is: 12,522,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,381.80 : 13,608,572.70 = 8,348,047.40 : x
  2. Step 2: Convert to fraction form
    9,072,381.80/13,608,572.70 = 8,348,047.40/x
  3. Step 3: Cross multiply
    9,072,381.80x = 13,608,572.70 × 8,348,047.40
  4. Step 4: Simplify right side
    9,072,381.80x = 113,605,009,945,945.98
  5. Step 5: Solve for x
    x = 113,605,009,945,945.98/9,072,381.80
  6. Step 6: Final answer
    x = 12,522,071.10

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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.