Home / 13,565,622.25-18,720,554.40-7,454,444.41

Finding the Fourth Proportional to 13,565,622.25, 18,720,554.40 and 7,454,444.41

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Solution

The fourth proportional to 13,565,622.25, 18,720,554.40 and 7,454,444.41 is: 10,287,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,622.25 : 18,720,554.40 = 7,454,444.41 : x
  2. Step 2: Convert to fraction form
    13,565,622.25/18,720,554.40 = 7,454,444.41/x
  3. Step 3: Cross multiply
    13,565,622.25x = 18,720,554.40 × 7,454,444.41
  4. Step 4: Simplify right side
    13,565,622.25x = 139,551,332,099,180.89
  5. Step 5: Solve for x
    x = 139,551,332,099,180.89/13,565,622.25
  6. Step 6: Final answer
    x = 10,287,130.92

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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.