Home / 12,454,639.47-18,681,848.04-3,934,975.64

Finding the Fourth Proportional to 12,454,639.47, 18,681,848.04 and 3,934,975.64

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Solution

The fourth proportional to 12,454,639.47, 18,681,848.04 and 3,934,975.64 is: 5,902,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,639.47 : 18,681,848.04 = 3,934,975.64 : x
  2. Step 2: Convert to fraction form
    12,454,639.47/18,681,848.04 = 3,934,975.64/x
  3. Step 3: Cross multiply
    12,454,639.47x = 18,681,848.04 × 3,934,975.64
  4. Step 4: Simplify right side
    12,454,639.47x = 73,512,616,947,581.75
  5. Step 5: Solve for x
    x = 73,512,616,947,581.75/12,454,639.47
  6. Step 6: Final answer
    x = 5,902,428.34

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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.