Home / 21,257,667.02-29,336,541.89-11,968,428.96

Finding the Fourth Proportional to 21,257,667.02, 29,336,541.89 and 11,968,428.96

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Solution

The fourth proportional to 21,257,667.02, 29,336,541.89 and 11,968,428.96 is: 16,516,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,667.02 : 29,336,541.89 = 11,968,428.96 : x
  2. Step 2: Convert to fraction form
    21,257,667.02/29,336,541.89 = 11,968,428.96/x
  3. Step 3: Cross multiply
    21,257,667.02x = 29,336,541.89 × 11,968,428.96
  4. Step 4: Simplify right side
    21,257,667.02x = 351,112,317,482,687.06
  5. Step 5: Solve for x
    x = 351,112,317,482,687.06/21,257,667.02
  6. Step 6: Final answer
    x = 16,516,973.25

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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.