Home / 25,315,357.37-34,935,360.89-13,712,920.74

Finding the Fourth Proportional to 25,315,357.37, 34,935,360.89 and 13,712,920.74

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Solution

The fourth proportional to 25,315,357.37, 34,935,360.89 and 13,712,920.74 is: 18,923,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315,357.37 : 34,935,360.89 = 13,712,920.74 : x
  2. Step 2: Convert to fraction form
    25,315,357.37/34,935,360.89 = 13,712,920.74/x
  3. Step 3: Cross multiply
    25,315,357.37x = 34,935,360.89 × 13,712,920.74
  4. Step 4: Simplify right side
    25,315,357.37x = 479,065,834,839,301.25
  5. Step 5: Solve for x
    x = 479,065,834,839,301.25/25,315,357.37
  6. Step 6: Final answer
    x = 18,923,921.47

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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.