Home / 21,678,100.53-32,513,985.36-6,321,263.55

Finding the Fourth Proportional to 21,678,100.53, 32,513,985.36 and 6,321,263.55

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Solution

The fourth proportional to 21,678,100.53, 32,513,985.36 and 6,321,263.55 is: 9,480,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,100.53 : 32,513,985.36 = 6,321,263.55 : x
  2. Step 2: Convert to fraction form
    21,678,100.53/32,513,985.36 = 6,321,263.55/x
  3. Step 3: Cross multiply
    21,678,100.53x = 32,513,985.36 × 6,321,263.55
  4. Step 4: Simplify right side
    21,678,100.53x = 205,529,470,521,401.62
  5. Step 5: Solve for x
    x = 205,529,470,521,401.62/21,678,100.53
  6. Step 6: Final answer
    x = 9,480,972.29

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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.