Home / 14,332,742.15-19,792,328.49-9,107,472.47

Finding the Fourth Proportional to 14,332,742.15, 19,792,328.49 and 9,107,472.47

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Solution

The fourth proportional to 14,332,742.15, 19,792,328.49 and 9,107,472.47 is: 12,576,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332,742.15 : 19,792,328.49 = 9,107,472.47 : x
  2. Step 2: Convert to fraction form
    14,332,742.15/19,792,328.49 = 9,107,472.47/x
  3. Step 3: Cross multiply
    14,332,742.15x = 19,792,328.49 × 9,107,472.47
  4. Step 4: Simplify right side
    14,332,742.15x = 180,258,086,740,910
  5. Step 5: Solve for x
    x = 180,258,086,740,910/14,332,742.15
  6. Step 6: Final answer
    x = 12,576,664.32

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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.