Home / 18,621,090.72-25,693,253.96-10,884,636.54

Finding the Fourth Proportional to 18,621,090.72, 25,693,253.96 and 10,884,636.54

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Solution

The fourth proportional to 18,621,090.72, 25,693,253.96 and 10,884,636.54 is: 15,018,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,090.72 : 25,693,253.96 = 10,884,636.54 : x
  2. Step 2: Convert to fraction form
    18,621,090.72/25,693,253.96 = 10,884,636.54/x
  3. Step 3: Cross multiply
    18,621,090.72x = 25,693,253.96 × 10,884,636.54
  4. Step 4: Simplify right side
    18,621,090.72x = 279,661,730,884,515.69
  5. Step 5: Solve for x
    x = 279,661,730,884,515.69/18,621,090.72
  6. Step 6: Final answer
    x = 15,018,547.25

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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.