Home / 13,216,918.31-19,829,435.71-6,309,212.51

Finding the Fourth Proportional to 13,216,918.31, 19,829,435.71 and 6,309,212.51

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Solution

The fourth proportional to 13,216,918.31, 19,829,435.71 and 6,309,212.51 is: 9,465,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,918.31 : 19,829,435.71 = 6,309,212.51 : x
  2. Step 2: Convert to fraction form
    13,216,918.31/19,829,435.71 = 6,309,212.51/x
  3. Step 3: Cross multiply
    13,216,918.31x = 19,829,435.71 × 6,309,212.51
  4. Step 4: Simplify right side
    13,216,918.31x = 125,108,123,902,280.12
  5. Step 5: Solve for x
    x = 125,108,123,902,280.12/13,216,918.31
  6. Step 6: Final answer
    x = 9,465,756.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.