Home / 13,331,587.50-18,397,590.75-7,220,016

Finding the Fourth Proportional to 13,331,587.50, 18,397,590.75 and 7,220,016

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Solution

The fourth proportional to 13,331,587.50, 18,397,590.75 and 7,220,016 is: 9,963,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,587.50 : 18,397,590.75 = 7,220,016 : x
  2. Step 2: Convert to fraction form
    13,331,587.50/18,397,590.75 = 7,220,016/x
  3. Step 3: Cross multiply
    13,331,587.50x = 18,397,590.75 × 7,220,016
  4. Step 4: Simplify right side
    13,331,587.50x = 132,830,899,576,452
  5. Step 5: Solve for x
    x = 132,830,899,576,452/13,331,587.50
  6. Step 6: Final answer
    x = 9,963,622.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.