Home / 21,194,966.37-29,249,760.08-11,904,173.68

Finding the Fourth Proportional to 21,194,966.37, 29,249,760.08 and 11,904,173.68

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Solution

The fourth proportional to 21,194,966.37, 29,249,760.08 and 11,904,173.68 is: 16,428,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194,966.37 : 29,249,760.08 = 11,904,173.68 : x
  2. Step 2: Convert to fraction form
    21,194,966.37/29,249,760.08 = 11,904,173.68/x
  3. Step 3: Cross multiply
    21,194,966.37x = 29,249,760.08 × 11,904,173.68
  4. Step 4: Simplify right side
    21,194,966.37x = 348,194,224,090,650.69
  5. Step 5: Solve for x
    x = 348,194,224,090,650.69/21,194,966.37
  6. Step 6: Final answer
    x = 16,428,156.48

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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.