Home / 25,756,145.10-35,535,729.51-15,439,103.82

Finding the Fourth Proportional to 25,756,145.10, 35,535,729.51 and 15,439,103.82

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Solution

The fourth proportional to 25,756,145.10, 35,535,729.51 and 15,439,103.82 is: 21,301,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756,145.10 : 35,535,729.51 = 15,439,103.82 : x
  2. Step 2: Convert to fraction form
    25,756,145.10/35,535,729.51 = 15,439,103.82/x
  3. Step 3: Cross multiply
    25,756,145.10x = 35,535,729.51 × 15,439,103.82
  4. Step 4: Simplify right side
    25,756,145.10x = 548,639,817,224,327.69
  5. Step 5: Solve for x
    x = 548,639,817,224,327.69/25,756,145.10
  6. Step 6: Final answer
    x = 21,301,317.22

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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.