Home / 30,265,359.72-45,397,740.24-13,865,992.20

Finding the Fourth Proportional to 30,265,359.72, 45,397,740.24 and 13,865,992.20

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Solution

The fourth proportional to 30,265,359.72, 45,397,740.24 and 13,865,992.20 is: 20,798,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265,359.72 : 45,397,740.24 = 13,865,992.20 : x
  2. Step 2: Convert to fraction form
    30,265,359.72/45,397,740.24 = 13,865,992.20/x
  3. Step 3: Cross multiply
    30,265,359.72x = 45,397,740.24 × 13,865,992.20
  4. Step 4: Simplify right side
    30,265,359.72x = 629,484,712,065,466.12
  5. Step 5: Solve for x
    x = 629,484,712,065,466.12/30,265,359.72
  6. Step 6: Final answer
    x = 20,798,851.16

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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.