Home / 20,232,031.20-30,285,061.20-19,602,175.20

Finding the Fourth Proportional to 20,232,031.20, 30,285,061.20 and 19,602,175.20

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Solution

The fourth proportional to 20,232,031.20, 30,285,061.20 and 19,602,175.20 is: 29,342,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,031.20 : 30,285,061.20 = 19,602,175.20 : x
  2. Step 2: Convert to fraction form
    20,232,031.20/30,285,061.20 = 19,602,175.20/x
  3. Step 3: Cross multiply
    20,232,031.20x = 30,285,061.20 × 19,602,175.20
  4. Step 4: Simplify right side
    20,232,031.20x = 593,653,075,585,122.25
  5. Step 5: Solve for x
    x = 593,653,075,585,122.25/20,232,031.20
  6. Step 6: Final answer
    x = 29,342,238.04

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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.