Home / 20,215,746.90-30,323,620.35-18,032,246.10

Finding the Fourth Proportional to 20,215,746.90, 30,323,620.35 and 18,032,246.10

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Solution

The fourth proportional to 20,215,746.90, 30,323,620.35 and 18,032,246.10 is: 27,048,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,746.90 : 30,323,620.35 = 18,032,246.10 : x
  2. Step 2: Convert to fraction form
    20,215,746.90/30,323,620.35 = 18,032,246.10/x
  3. Step 3: Cross multiply
    20,215,746.90x = 30,323,620.35 × 18,032,246.10
  4. Step 4: Simplify right side
    20,215,746.90x = 546,802,984,794,168.19
  5. Step 5: Solve for x
    x = 546,802,984,794,168.19/20,215,746.90
  6. Step 6: Final answer
    x = 27,048,369.15

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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.