Home / 20,735,079.74-28,615,097.31-11,316,386.48

Finding the Fourth Proportional to 20,735,079.74, 28,615,097.31 and 11,316,386.48

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Solution

The fourth proportional to 20,735,079.74, 28,615,097.31 and 11,316,386.48 is: 15,616,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,079.74 : 28,615,097.31 = 11,316,386.48 : x
  2. Step 2: Convert to fraction form
    20,735,079.74/28,615,097.31 = 11,316,386.48/x
  3. Step 3: Cross multiply
    20,735,079.74x = 28,615,097.31 × 11,316,386.48
  4. Step 4: Simplify right side
    20,735,079.74x = 323,819,500,137,256.38
  5. Step 5: Solve for x
    x = 323,819,500,137,256.38/20,735,079.74
  6. Step 6: Final answer
    x = 15,616,988.42

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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.