Home / 13,622,005.47-18,798,514.56-7,427,001.92

Finding the Fourth Proportional to 13,622,005.47, 18,798,514.56 and 7,427,001.92

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Solution

The fourth proportional to 13,622,005.47, 18,798,514.56 and 7,427,001.92 is: 10,249,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,005.47 : 18,798,514.56 = 7,427,001.92 : x
  2. Step 2: Convert to fraction form
    13,622,005.47/18,798,514.56 = 7,427,001.92/x
  3. Step 3: Cross multiply
    13,622,005.47x = 18,798,514.56 × 7,427,001.92
  4. Step 4: Simplify right side
    13,622,005.47x = 139,616,603,636,275.38
  5. Step 5: Solve for x
    x = 139,616,603,636,275.38/13,622,005.47
  6. Step 6: Final answer
    x = 10,249,342.80

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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.