Home / 21,645,368.40-32,468,052.60-13,425,747.60

Finding the Fourth Proportional to 21,645,368.40, 32,468,052.60 and 13,425,747.60

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Solution

The fourth proportional to 21,645,368.40, 32,468,052.60 and 13,425,747.60 is: 20,138,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,368.40 : 32,468,052.60 = 13,425,747.60 : x
  2. Step 2: Convert to fraction form
    21,645,368.40/32,468,052.60 = 13,425,747.60/x
  3. Step 3: Cross multiply
    21,645,368.40x = 32,468,052.60 × 13,425,747.60
  4. Step 4: Simplify right side
    21,645,368.40x = 435,907,879,271,123.75
  5. Step 5: Solve for x
    x = 435,907,879,271,123.75/21,645,368.40
  6. Step 6: Final answer
    x = 20,138,621.40

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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.