Home / 13,781,740.15-20,671,032.83-3,685,148.47

Finding the Fourth Proportional to 13,781,740.15, 20,671,032.83 and 3,685,148.47

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Solution

The fourth proportional to 13,781,740.15, 20,671,032.83 and 3,685,148.47 is: 5,527,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,740.15 : 20,671,032.83 = 3,685,148.47 : x
  2. Step 2: Convert to fraction form
    13,781,740.15/20,671,032.83 = 3,685,148.47/x
  3. Step 3: Cross multiply
    13,781,740.15x = 20,671,032.83 × 3,685,148.47
  4. Step 4: Simplify right side
    13,781,740.15x = 76,175,824,885,013.36
  5. Step 5: Solve for x
    x = 76,175,824,885,013.36/13,781,740.15
  6. Step 6: Final answer
    x = 5,527,300.91

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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.