Home / 21,597,579.20-32,396,368.80-15,858,016.40

Finding the Fourth Proportional to 21,597,579.20, 32,396,368.80 and 15,858,016.40

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Solution

The fourth proportional to 21,597,579.20, 32,396,368.80 and 15,858,016.40 is: 23,787,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597,579.20 : 32,396,368.80 = 15,858,016.40 : x
  2. Step 2: Convert to fraction form
    21,597,579.20/32,396,368.80 = 15,858,016.40/x
  3. Step 3: Cross multiply
    21,597,579.20x = 32,396,368.80 × 15,858,016.40
  4. Step 4: Simplify right side
    21,597,579.20x = 513,742,147,730,848.38
  5. Step 5: Solve for x
    x = 513,742,147,730,848.38/21,597,579.20
  6. Step 6: Final answer
    x = 23,787,024.60

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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.