Home / 18,621,484.47-27,914,111.33-8,903,572.11

Finding the Fourth Proportional to 18,621,484.47, 27,914,111.33 and 8,903,572.11

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Solution

The fourth proportional to 18,621,484.47, 27,914,111.33 and 8,903,572.11 is: 13,346,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,484.47 : 27,914,111.33 = 8,903,572.11 : x
  2. Step 2: Convert to fraction form
    18,621,484.47/27,914,111.33 = 8,903,572.11/x
  3. Step 3: Cross multiply
    18,621,484.47x = 27,914,111.33 × 8,903,572.11
  4. Step 4: Simplify right side
    18,621,484.47x = 248,535,303,068,705.12
  5. Step 5: Solve for x
    x = 248,535,303,068,705.12/18,621,484.47
  6. Step 6: Final answer
    x = 13,346,696.58

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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.