Home / 19,083,402.30-28,624,972.10-7,723,686.90

Finding the Fourth Proportional to 19,083,402.30, 28,624,972.10 and 7,723,686.90

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Solution

The fourth proportional to 19,083,402.30, 28,624,972.10 and 7,723,686.90 is: 11,585,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083,402.30 : 28,624,972.10 = 7,723,686.90 : x
  2. Step 2: Convert to fraction form
    19,083,402.30/28,624,972.10 = 7,723,686.90/x
  3. Step 3: Cross multiply
    19,083,402.30x = 28,624,972.10 × 7,723,686.90
  4. Step 4: Simplify right side
    19,083,402.30x = 221,090,321,983,017.06
  5. Step 5: Solve for x
    x = 221,090,321,983,017.06/19,083,402.30
  6. Step 6: Final answer
    x = 11,585,477.19

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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.