Home / 21,801,841.90-32,702,762.85-19,782,366.10

Finding the Fourth Proportional to 21,801,841.90, 32,702,762.85 and 19,782,366.10

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Solution

The fourth proportional to 21,801,841.90, 32,702,762.85 and 19,782,366.10 is: 29,673,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801,841.90 : 32,702,762.85 = 19,782,366.10 : x
  2. Step 2: Convert to fraction form
    21,801,841.90/32,702,762.85 = 19,782,366.10/x
  3. Step 3: Cross multiply
    21,801,841.90x = 32,702,762.85 × 19,782,366.10
  4. Step 4: Simplify right side
    21,801,841.90x = 646,938,027,180,179.50
  5. Step 5: Solve for x
    x = 646,938,027,180,179.50/21,801,841.90
  6. Step 6: Final answer
    x = 29,673,549.15

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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.