Home / 13,426,619.31-20,145,883.05-7,035,352.38

Finding the Fourth Proportional to 13,426,619.31, 20,145,883.05 and 7,035,352.38

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Solution

The fourth proportional to 13,426,619.31, 20,145,883.05 and 7,035,352.38 is: 10,556,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,619.31 : 20,145,883.05 = 7,035,352.38 : x
  2. Step 2: Convert to fraction form
    13,426,619.31/20,145,883.05 = 7,035,352.38/x
  3. Step 3: Cross multiply
    13,426,619.31x = 20,145,883.05 × 7,035,352.38
  4. Step 4: Simplify right side
    13,426,619.31x = 141,733,386,263,019.16
  5. Step 5: Solve for x
    x = 141,733,386,263,019.16/13,426,619.31
  6. Step 6: Final answer
    x = 10,556,148.42

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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.