Home / 19,569,968.70-29,354,953.05-12,342,371.10

Finding the Fourth Proportional to 19,569,968.70, 29,354,953.05 and 12,342,371.10

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Solution

The fourth proportional to 19,569,968.70, 29,354,953.05 and 12,342,371.10 is: 18,513,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569,968.70 : 29,354,953.05 = 12,342,371.10 : x
  2. Step 2: Convert to fraction form
    19,569,968.70/29,354,953.05 = 12,342,371.10/x
  3. Step 3: Cross multiply
    19,569,968.70x = 29,354,953.05 × 12,342,371.10
  4. Step 4: Simplify right side
    19,569,968.70x = 362,309,724,166,176.88
  5. Step 5: Solve for x
    x = 362,309,724,166,176.88/19,569,968.70
  6. Step 6: Final answer
    x = 18,513,556.65

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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.