Home / 31,352,862.80-47,064,723.60-18,580,564.10

Finding the Fourth Proportional to 31,352,862.80, 47,064,723.60 and 18,580,564.10

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Solution

The fourth proportional to 31,352,862.80, 47,064,723.60 and 18,580,564.10 is: 27,891,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352,862.80 : 47,064,723.60 = 18,580,564.10 : x
  2. Step 2: Convert to fraction form
    31,352,862.80/47,064,723.60 = 18,580,564.10/x
  3. Step 3: Cross multiply
    31,352,862.80x = 47,064,723.60 × 18,580,564.10
  4. Step 4: Simplify right side
    31,352,862.80x = 874,489,113,698,582.88
  5. Step 5: Solve for x
    x = 874,489,113,698,582.88/31,352,862.80
  6. Step 6: Final answer
    x = 27,891,842.58

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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.