Home / 7,249,491.25-10,004,028.99-3,986,111.81

Finding the Fourth Proportional to 7,249,491.25, 10,004,028.99 and 3,986,111.81

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Solution

The fourth proportional to 7,249,491.25, 10,004,028.99 and 3,986,111.81 is: 5,500,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,491.25 : 10,004,028.99 = 3,986,111.81 : x
  2. Step 2: Convert to fraction form
    7,249,491.25/10,004,028.99 = 3,986,111.81/x
  3. Step 3: Cross multiply
    7,249,491.25x = 10,004,028.99 × 3,986,111.81
  4. Step 4: Simplify right side
    7,249,491.25x = 39,877,178,104,621.38
  5. Step 5: Solve for x
    x = 39,877,178,104,621.38/7,249,491.25
  6. Step 6: Final answer
    x = 5,500,686.42

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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.