Home / 8,742,718.40-13,114,077.60-6,616,954.40

Finding the Fourth Proportional to 8,742,718.40, 13,114,077.60 and 6,616,954.40

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Solution

The fourth proportional to 8,742,718.40, 13,114,077.60 and 6,616,954.40 is: 9,925,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,718.40 : 13,114,077.60 = 6,616,954.40 : x
  2. Step 2: Convert to fraction form
    8,742,718.40/13,114,077.60 = 6,616,954.40/x
  3. Step 3: Cross multiply
    8,742,718.40x = 13,114,077.60 × 6,616,954.40
  4. Step 4: Simplify right side
    8,742,718.40x = 86,775,253,477,261.44
  5. Step 5: Solve for x
    x = 86,775,253,477,261.44/8,742,718.40
  6. Step 6: Final answer
    x = 9,925,431.60

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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.