Home / 19,324,688.10-28,987,032.15-18,379,904.10

Finding the Fourth Proportional to 19,324,688.10, 28,987,032.15 and 18,379,904.10

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Solution

The fourth proportional to 19,324,688.10, 28,987,032.15 and 18,379,904.10 is: 27,569,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,688.10 : 28,987,032.15 = 18,379,904.10 : x
  2. Step 2: Convert to fraction form
    19,324,688.10/28,987,032.15 = 18,379,904.10/x
  3. Step 3: Cross multiply
    19,324,688.10x = 28,987,032.15 × 18,379,904.10
  4. Step 4: Simplify right side
    19,324,688.10x = 532,778,871,060,616.81
  5. Step 5: Solve for x
    x = 532,778,871,060,616.81/19,324,688.10
  6. Step 6: Final answer
    x = 27,569,856.15

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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.