Home / 25,686,752.23-35,452,867.82-15,238,567.94

Finding the Fourth Proportional to 25,686,752.23, 35,452,867.82 and 15,238,567.94

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Solution

The fourth proportional to 25,686,752.23, 35,452,867.82 and 15,238,567.94 is: 21,032,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686,752.23 : 35,452,867.82 = 15,238,567.94 : x
  2. Step 2: Convert to fraction form
    25,686,752.23/35,452,867.82 = 15,238,567.94/x
  3. Step 3: Cross multiply
    25,686,752.23x = 35,452,867.82 × 15,238,567.94
  4. Step 4: Simplify right side
    25,686,752.23x = 540,250,934,955,349
  5. Step 5: Solve for x
    x = 540,250,934,955,349/25,686,752.23
  6. Step 6: Final answer
    x = 21,032,278.82

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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.