Home / 21,730,812.80-32,596,219.20-18,223,302.20

Finding the Fourth Proportional to 21,730,812.80, 32,596,219.20 and 18,223,302.20

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Solution

The fourth proportional to 21,730,812.80, 32,596,219.20 and 18,223,302.20 is: 27,334,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,812.80 : 32,596,219.20 = 18,223,302.20 : x
  2. Step 2: Convert to fraction form
    21,730,812.80/32,596,219.20 = 18,223,302.20/x
  3. Step 3: Cross multiply
    21,730,812.80x = 32,596,219.20 × 18,223,302.20
  4. Step 4: Simplify right side
    21,730,812.80x = 594,010,753,059,042.25
  5. Step 5: Solve for x
    x = 594,010,753,059,042.25/21,730,812.80
  6. Step 6: Final answer
    x = 27,334,953.30

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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.