Home / 13,453,476.50-18,565,792.69-7,341,905

Finding the Fourth Proportional to 13,453,476.50, 18,565,792.69 and 7,341,905

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Solution

The fourth proportional to 13,453,476.50, 18,565,792.69 and 7,341,905 is: 10,131,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,476.50 : 18,565,792.69 = 7,341,905 : x
  2. Step 2: Convert to fraction form
    13,453,476.50/18,565,792.69 = 7,341,905/x
  3. Step 3: Cross multiply
    13,453,476.50x = 18,565,792.69 × 7,341,905
  4. Step 4: Simplify right side
    13,453,476.50x = 136,308,286,142,964.92
  5. Step 5: Solve for x
    x = 136,308,286,142,964.92/13,453,476.50
  6. Step 6: Final answer
    x = 10,131,826.23

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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.