Home / 21,561,154.80-32,341,732.20-17,734,779.60

Finding the Fourth Proportional to 21,561,154.80, 32,341,732.20 and 17,734,779.60

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Solution

The fourth proportional to 21,561,154.80, 32,341,732.20 and 17,734,779.60 is: 26,602,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,154.80 : 32,341,732.20 = 17,734,779.60 : x
  2. Step 2: Convert to fraction form
    21,561,154.80/32,341,732.20 = 17,734,779.60/x
  3. Step 3: Cross multiply
    21,561,154.80x = 32,341,732.20 × 17,734,779.60
  4. Step 4: Simplify right side
    21,561,154.80x = 573,573,492,449,223.12
  5. Step 5: Solve for x
    x = 573,573,492,449,223.12/21,561,154.80
  6. Step 6: Final answer
    x = 26,602,169.40

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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.