Home / 20,045,457.84-27,662,749.80-10,878,100.56

Finding the Fourth Proportional to 20,045,457.84, 27,662,749.80 and 10,878,100.56

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Solution

The fourth proportional to 20,045,457.84, 27,662,749.80 and 10,878,100.56 is: 15,011,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,457.84 : 27,662,749.80 = 10,878,100.56 : x
  2. Step 2: Convert to fraction form
    20,045,457.84/27,662,749.80 = 10,878,100.56/x
  3. Step 3: Cross multiply
    20,045,457.84x = 27,662,749.80 × 10,878,100.56
  4. Step 4: Simplify right side
    20,045,457.84x = 300,918,174,090,519.94
  5. Step 5: Solve for x
    x = 300,918,174,090,519.94/20,045,457.84
  6. Step 6: Final answer
    x = 15,011,788.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.