Home / 8,516,615.70-12,774,923.55-5,157,383.70

Finding the Fourth Proportional to 8,516,615.70, 12,774,923.55 and 5,157,383.70

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Solution

The fourth proportional to 8,516,615.70, 12,774,923.55 and 5,157,383.70 is: 7,736,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,615.70 : 12,774,923.55 = 5,157,383.70 : x
  2. Step 2: Convert to fraction form
    8,516,615.70/12,774,923.55 = 5,157,383.70/x
  3. Step 3: Cross multiply
    8,516,615.70x = 12,774,923.55 × 5,157,383.70
  4. Step 4: Simplify right side
    8,516,615.70x = 65,885,182,485,516.14
  5. Step 5: Solve for x
    x = 65,885,182,485,516.14/8,516,615.70
  6. Step 6: Final answer
    x = 7,736,075.55

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Double scale
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Similar ratio
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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.