Home / 13,006,707-19,505,925.30-12,157,580.28

Finding the Fourth Proportional to 13,006,707, 19,505,925.30 and 12,157,580.28

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Solution

The fourth proportional to 13,006,707, 19,505,925.30 and 12,157,580.28 is: 18,232,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,707 : 19,505,925.30 = 12,157,580.28 : x
  2. Step 2: Convert to fraction form
    13,006,707/19,505,925.30 = 12,157,580.28/x
  3. Step 3: Cross multiply
    13,006,707x = 19,505,925.30 × 12,157,580.28
  4. Step 4: Simplify right side
    13,006,707x = 237,144,852,770,433.09
  5. Step 5: Solve for x
    x = 237,144,852,770,433.09/13,006,707
  6. Step 6: Final answer
    x = 18,232,505.18

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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.