Home / 19,006,762.20-28,265,640.91-18,401,411.53

Finding the Fourth Proportional to 19,006,762.20, 28,265,640.91 and 18,401,411.53

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Solution

The fourth proportional to 19,006,762.20, 28,265,640.91 and 18,401,411.53 is: 27,365,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,762.20 : 28,265,640.91 = 18,401,411.53 : x
  2. Step 2: Convert to fraction form
    19,006,762.20/28,265,640.91 = 18,401,411.53/x
  3. Step 3: Cross multiply
    19,006,762.20x = 28,265,640.91 × 18,401,411.53
  4. Step 4: Simplify right side
    19,006,762.20x = 520,127,690,544,113.75
  5. Step 5: Solve for x
    x = 520,127,690,544,113.75/19,006,762.20
  6. Step 6: Final answer
    x = 27,365,402.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.