Home / 21,308,758.64-29,406,200.28-11,650,966.64

Finding the Fourth Proportional to 21,308,758.64, 29,406,200.28 and 11,650,966.64

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Solution

The fourth proportional to 21,308,758.64, 29,406,200.28 and 11,650,966.64 is: 16,078,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,758.64 : 29,406,200.28 = 11,650,966.64 : x
  2. Step 2: Convert to fraction form
    21,308,758.64/29,406,200.28 = 11,650,966.64/x
  3. Step 3: Cross multiply
    21,308,758.64x = 29,406,200.28 × 11,650,966.64
  4. Step 4: Simplify right side
    21,308,758.64x = 342,610,658,471,438.69
  5. Step 5: Solve for x
    x = 342,610,658,471,438.69/21,308,758.64
  6. Step 6: Final answer
    x = 16,078,395.94

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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.