Home / 13,775,778.48-19,010,749.18-7,581,538.38

Finding the Fourth Proportional to 13,775,778.48, 19,010,749.18 and 7,581,538.38

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Solution

The fourth proportional to 13,775,778.48, 19,010,749.18 and 7,581,538.38 is: 10,462,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,778.48 : 19,010,749.18 = 7,581,538.38 : x
  2. Step 2: Convert to fraction form
    13,775,778.48/19,010,749.18 = 7,581,538.38/x
  3. Step 3: Cross multiply
    13,775,778.48x = 19,010,749.18 × 7,581,538.38
  4. Step 4: Simplify right side
    13,775,778.48x = 144,130,724,540,723.53
  5. Step 5: Solve for x
    x = 144,130,724,540,723.53/13,775,778.48
  6. Step 6: Final answer
    x = 10,462,619.21

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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.