Home / 31,914,812.60-47,803,457.79-21,623,206.13

Finding the Fourth Proportional to 31,914,812.60, 47,803,457.79 and 21,623,206.13

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Solution

The fourth proportional to 31,914,812.60, 47,803,457.79 and 21,623,206.13 is: 32,388,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914,812.60 : 47,803,457.79 = 21,623,206.13 : x
  2. Step 2: Convert to fraction form
    31,914,812.60/47,803,457.79 = 21,623,206.13/x
  3. Step 3: Cross multiply
    31,914,812.60x = 47,803,457.79 × 21,623,206.13
  4. Step 4: Simplify right side
    31,914,812.60x = 1,033,664,021,519,924.12
  5. Step 5: Solve for x
    x = 1,033,664,021,519,924.12/31,914,812.60
  6. Step 6: Final answer
    x = 32,388,221.56

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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.