Home / 21,046,150.40-29,043,775.02-11,388,358.40

Finding the Fourth Proportional to 21,046,150.40, 29,043,775.02 and 11,388,358.40

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Solution

The fourth proportional to 21,046,150.40, 29,043,775.02 and 11,388,358.40 is: 15,715,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,150.40 : 29,043,775.02 = 11,388,358.40 : x
  2. Step 2: Convert to fraction form
    21,046,150.40/29,043,775.02 = 11,388,358.40/x
  3. Step 3: Cross multiply
    21,046,150.40x = 29,043,775.02 × 11,388,358.40
  4. Step 4: Simplify right side
    21,046,150.40x = 330,760,919,216,727.19
  5. Step 5: Solve for x
    x = 330,760,919,216,727.19/21,046,150.40
  6. Step 6: Final answer
    x = 15,715,981.92

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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.