Home / 7,249,489.25-10,004,026.23-3,986,109.81

Finding the Fourth Proportional to 7,249,489.25, 10,004,026.23 and 3,986,109.81

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Solution

The fourth proportional to 7,249,489.25, 10,004,026.23 and 3,986,109.81 is: 5,500,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,489.25 : 10,004,026.23 = 3,986,109.81 : x
  2. Step 2: Convert to fraction form
    7,249,489.25/10,004,026.23 = 3,986,109.81/x
  3. Step 3: Cross multiply
    7,249,489.25x = 10,004,026.23 × 3,986,109.81
  4. Step 4: Simplify right side
    7,249,489.25x = 39,877,147,094,900.32
  5. Step 5: Solve for x
    x = 39,877,147,094,900.32/7,249,489.25
  6. Step 6: Final answer
    x = 5,500,683.67

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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.