Home / 21,726,940.80-32,590,411.20-18,219,430.20

Finding the Fourth Proportional to 21,726,940.80, 32,590,411.20 and 18,219,430.20

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Solution

The fourth proportional to 21,726,940.80, 32,590,411.20 and 18,219,430.20 is: 27,329,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,940.80 : 32,590,411.20 = 18,219,430.20 : x
  2. Step 2: Convert to fraction form
    21,726,940.80/32,590,411.20 = 18,219,430.20/x
  3. Step 3: Cross multiply
    21,726,940.80x = 32,590,411.20 × 18,219,430.20
  4. Step 4: Simplify right side
    21,726,940.80x = 593,778,722,047,698.25
  5. Step 5: Solve for x
    x = 593,778,722,047,698.25/21,726,940.80
  6. Step 6: Final answer
    x = 27,329,145.30

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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.