Home / 40,697,588.71-61,012,068.81-17,651,172.33

Finding the Fourth Proportional to 40,697,588.71, 61,012,068.81 and 17,651,172.33

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Solution

The fourth proportional to 40,697,588.71, 61,012,068.81 and 17,651,172.33 is: 26,461,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697,588.71 : 61,012,068.81 = 17,651,172.33 : x
  2. Step 2: Convert to fraction form
    40,697,588.71/61,012,068.81 = 17,651,172.33/x
  3. Step 3: Cross multiply
    40,697,588.71x = 61,012,068.81 × 17,651,172.33
  4. Step 4: Simplify right side
    40,697,588.71x = 1,076,934,540,470,067.62
  5. Step 5: Solve for x
    x = 1,076,934,540,470,067.62/40,697,588.71
  6. Step 6: Final answer
    x = 26,461,875.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.