Home / 8,078,412.90-12,117,619.35-5,527,496.10

Finding the Fourth Proportional to 8,078,412.90, 12,117,619.35 and 5,527,496.10

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Solution

The fourth proportional to 8,078,412.90, 12,117,619.35 and 5,527,496.10 is: 8,291,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,412.90 : 12,117,619.35 = 5,527,496.10 : x
  2. Step 2: Convert to fraction form
    8,078,412.90/12,117,619.35 = 5,527,496.10/x
  3. Step 3: Cross multiply
    8,078,412.90x = 12,117,619.35 × 5,527,496.10
  4. Step 4: Simplify right side
    8,078,412.90x = 66,980,093,698,409.53
  5. Step 5: Solve for x
    x = 66,980,093,698,409.53/8,078,412.90
  6. Step 6: Final answer
    x = 8,291,244.15

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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.