Home / 40,097,044.64-55,333,946.04-21,762,330.16

Finding the Fourth Proportional to 40,097,044.64, 55,333,946.04 and 21,762,330.16

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Solution

The fourth proportional to 40,097,044.64, 55,333,946.04 and 21,762,330.16 is: 30,032,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097,044.64 : 55,333,946.04 = 21,762,330.16 : x
  2. Step 2: Convert to fraction form
    40,097,044.64/55,333,946.04 = 21,762,330.16/x
  3. Step 3: Cross multiply
    40,097,044.64x = 55,333,946.04 × 21,762,330.16
  4. Step 4: Simplify right side
    40,097,044.64x = 1,204,195,602,778,104.50
  5. Step 5: Solve for x
    x = 1,204,195,602,778,104.50/40,097,044.64
  6. Step 6: Final answer
    x = 30,032,028.88

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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.