Home / 12,780,904.41-19,180,878.17-9,377,984.39

Finding the Fourth Proportional to 12,780,904.41, 19,180,878.17 and 9,377,984.39

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Solution

The fourth proportional to 12,780,904.41, 19,180,878.17 and 9,377,984.39 is: 14,073,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,904.41 : 19,180,878.17 = 9,377,984.39 : x
  2. Step 2: Convert to fraction form
    12,780,904.41/19,180,878.17 = 9,377,984.39/x
  3. Step 3: Cross multiply
    12,780,904.41x = 19,180,878.17 × 9,377,984.39
  4. Step 4: Simplify right side
    12,780,904.41x = 179,877,975,921,957.44
  5. Step 5: Solve for x
    x = 179,877,975,921,957.44/12,780,904.41
  6. Step 6: Final answer
    x = 14,073,963.01

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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.