Home / 31,979,019.87-47,968,537.98-8,953,346.63

Finding the Fourth Proportional to 31,979,019.87, 47,968,537.98 and 8,953,346.63

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Solution

The fourth proportional to 31,979,019.87, 47,968,537.98 and 8,953,346.63 is: 13,430,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979,019.87 : 47,968,537.98 = 8,953,346.63 : x
  2. Step 2: Convert to fraction form
    31,979,019.87/47,968,537.98 = 8,953,346.63/x
  3. Step 3: Cross multiply
    31,979,019.87x = 47,968,537.98 × 8,953,346.63
  4. Step 4: Simplify right side
    31,979,019.87x = 429,478,947,869,260
  5. Step 5: Solve for x
    x = 429,478,947,869,260/31,979,019.87
  6. Step 6: Final answer
    x = 13,430,022.23

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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.