Home / 9,161,386.80-13,742,080.20-5,760,164.40

Finding the Fourth Proportional to 9,161,386.80, 13,742,080.20 and 5,760,164.40

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Solution

The fourth proportional to 9,161,386.80, 13,742,080.20 and 5,760,164.40 is: 8,640,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,386.80 : 13,742,080.20 = 5,760,164.40 : x
  2. Step 2: Convert to fraction form
    9,161,386.80/13,742,080.20 = 5,760,164.40/x
  3. Step 3: Cross multiply
    9,161,386.80x = 13,742,080.20 × 5,760,164.40
  4. Step 4: Simplify right side
    9,161,386.80x = 79,156,641,149,984.88
  5. Step 5: Solve for x
    x = 79,156,641,149,984.88/9,161,386.80
  6. Step 6: Final answer
    x = 8,640,246.60

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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.