Home / 19,425,913.20-29,138,869.80-5,960,991.60

Finding the Fourth Proportional to 19,425,913.20, 29,138,869.80 and 5,960,991.60

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Solution

The fourth proportional to 19,425,913.20, 29,138,869.80 and 5,960,991.60 is: 8,941,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425,913.20 : 29,138,869.80 = 5,960,991.60 : x
  2. Step 2: Convert to fraction form
    19,425,913.20/29,138,869.80 = 5,960,991.60/x
  3. Step 3: Cross multiply
    19,425,913.20x = 29,138,869.80 × 5,960,991.60
  4. Step 4: Simplify right side
    19,425,913.20x = 173,696,558,111,293.69
  5. Step 5: Solve for x
    x = 173,696,558,111,293.69/19,425,913.20
  6. Step 6: Final answer
    x = 8,941,487.40

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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.