Home / 31,352,871.80-47,064,737.10-18,580,573.10

Finding the Fourth Proportional to 31,352,871.80, 47,064,737.10 and 18,580,573.10

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Solution

The fourth proportional to 31,352,871.80, 47,064,737.10 and 18,580,573.10 is: 27,891,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352,871.80 : 47,064,737.10 = 18,580,573.10 : x
  2. Step 2: Convert to fraction form
    31,352,871.80/47,064,737.10 = 18,580,573.10/x
  3. Step 3: Cross multiply
    31,352,871.80x = 47,064,737.10 × 18,580,573.10
  4. Step 4: Simplify right side
    31,352,871.80x = 874,489,788,118,832.12
  5. Step 5: Solve for x
    x = 874,489,788,118,832.12/31,352,871.80
  6. Step 6: Final answer
    x = 27,891,856.09

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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.