Home / 13,839,588.90-20,763,170.91-6,657,130.98

Finding the Fourth Proportional to 13,839,588.90, 20,763,170.91 and 6,657,130.98

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Solution

The fourth proportional to 13,839,588.90, 20,763,170.91 and 6,657,130.98 is: 9,987,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,588.90 : 20,763,170.91 = 6,657,130.98 : x
  2. Step 2: Convert to fraction form
    13,839,588.90/20,763,170.91 = 6,657,130.98/x
  3. Step 3: Cross multiply
    13,839,588.90x = 20,763,170.91 × 6,657,130.98
  4. Step 4: Simplify right side
    13,839,588.90x = 138,223,148,307,995.80
  5. Step 5: Solve for x
    x = 138,223,148,307,995.80/13,839,588.90
  6. Step 6: Final answer
    x = 9,987,518.37

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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.