Home / 18,621,090.71-25,693,253.97-10,884,636.53

Finding the Fourth Proportional to 18,621,090.71, 25,693,253.97 and 10,884,636.53

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Solution

The fourth proportional to 18,621,090.71, 25,693,253.97 and 10,884,636.53 is: 15,018,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,090.71 : 25,693,253.97 = 10,884,636.53 : x
  2. Step 2: Convert to fraction form
    18,621,090.71/25,693,253.97 = 10,884,636.53/x
  3. Step 3: Cross multiply
    18,621,090.71x = 25,693,253.97 × 10,884,636.53
  4. Step 4: Simplify right side
    18,621,090.71x = 279,661,730,736,429.50
  5. Step 5: Solve for x
    x = 279,661,730,736,429.50/18,621,090.71
  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.