Home / 18,709,996.25-28,066,000.40-5,931,497.40

Finding the Fourth Proportional to 18,709,996.25, 28,066,000.40 and 5,931,497.40

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Solution

The fourth proportional to 18,709,996.25, 28,066,000.40 and 5,931,497.40 is: 8,897,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,996.25 : 28,066,000.40 = 5,931,497.40 : x
  2. Step 2: Convert to fraction form
    18,709,996.25/28,066,000.40 = 5,931,497.40/x
  3. Step 3: Cross multiply
    18,709,996.25x = 28,066,000.40 × 5,931,497.40
  4. Step 4: Simplify right side
    18,709,996.25x = 166,473,408,400,998.97
  5. Step 5: Solve for x
    x = 166,473,408,400,998.97/18,709,996.25
  6. Step 6: Final answer
    x = 8,897,565.03

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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.