Home / 8,047,605.60-12,071,408.40-7,151,810.40

Finding the Fourth Proportional to 8,047,605.60, 12,071,408.40 and 7,151,810.40

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Solution

The fourth proportional to 8,047,605.60, 12,071,408.40 and 7,151,810.40 is: 10,727,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,605.60 : 12,071,408.40 = 7,151,810.40 : x
  2. Step 2: Convert to fraction form
    8,047,605.60/12,071,408.40 = 7,151,810.40/x
  3. Step 3: Cross multiply
    8,047,605.60x = 12,071,408.40 × 7,151,810.40
  4. Step 4: Simplify right side
    8,047,605.60x = 86,332,424,137,767.36
  5. Step 5: Solve for x
    x = 86,332,424,137,767.36/8,047,605.60
  6. Step 6: Final answer
    x = 10,727,715.60

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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.