Home / 15,074,779.48-20,801,307.54-10,190,628.52

Finding the Fourth Proportional to 15,074,779.48, 20,801,307.54 and 10,190,628.52

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Solution

The fourth proportional to 15,074,779.48, 20,801,307.54 and 10,190,628.52 is: 14,061,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074,779.48 : 20,801,307.54 = 10,190,628.52 : x
  2. Step 2: Convert to fraction form
    15,074,779.48/20,801,307.54 = 10,190,628.52/x
  3. Step 3: Cross multiply
    15,074,779.48x = 20,801,307.54 × 10,190,628.52
  4. Step 4: Simplify right side
    15,074,779.48x = 211,978,397,870,415.03
  5. Step 5: Solve for x
    x = 211,978,397,870,415.03/15,074,779.48
  6. Step 6: Final answer
    x = 14,061,790.96

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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.