Home / 12,618,798.91-17,413,954.81-6,817,585.28

Finding the Fourth Proportional to 12,618,798.91, 17,413,954.81 and 6,817,585.28

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Solution

The fourth proportional to 12,618,798.91, 17,413,954.81 and 6,817,585.28 is: 9,408,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,798.91 : 17,413,954.81 = 6,817,585.28 : x
  2. Step 2: Convert to fraction form
    12,618,798.91/17,413,954.81 = 6,817,585.28/x
  3. Step 3: Cross multiply
    12,618,798.91x = 17,413,954.81 × 6,817,585.28
  4. Step 4: Simplify right side
    12,618,798.91x = 118,721,121,875,127.47
  5. Step 5: Solve for x
    x = 118,721,121,875,127.47/12,618,798.91
  6. Step 6: Final answer
    x = 9,408,274.33

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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.