Home / 21,492,572.20-32,238,858.30-18,693,212.20

Finding the Fourth Proportional to 21,492,572.20, 32,238,858.30 and 18,693,212.20

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Solution

The fourth proportional to 21,492,572.20, 32,238,858.30 and 18,693,212.20 is: 28,039,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,572.20 : 32,238,858.30 = 18,693,212.20 : x
  2. Step 2: Convert to fraction form
    21,492,572.20/32,238,858.30 = 18,693,212.20/x
  3. Step 3: Cross multiply
    21,492,572.20x = 32,238,858.30 × 18,693,212.20
  4. Step 4: Simplify right side
    21,492,572.20x = 602,647,819,287,631.25
  5. Step 5: Solve for x
    x = 602,647,819,287,631.25/21,492,572.20
  6. Step 6: Final answer
    x = 28,039,818.30

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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.