Home / 21,904,266.40-32,856,399.60-9,120,522.40

Finding the Fourth Proportional to 21,904,266.40, 32,856,399.60 and 9,120,522.40

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Solution

The fourth proportional to 21,904,266.40, 32,856,399.60 and 9,120,522.40 is: 13,680,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,266.40 : 32,856,399.60 = 9,120,522.40 : x
  2. Step 2: Convert to fraction form
    21,904,266.40/32,856,399.60 = 9,120,522.40/x
  3. Step 3: Cross multiply
    21,904,266.40x = 32,856,399.60 × 9,120,522.40
  4. Step 4: Simplify right side
    21,904,266.40x = 299,667,528,535,151.06
  5. Step 5: Solve for x
    x = 299,667,528,535,151.06/21,904,266.40
  6. Step 6: Final answer
    x = 13,680,783.60

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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.