Home / 13,315,355.93-18,375,009.73-7,435,080.95

Finding the Fourth Proportional to 13,315,355.93, 18,375,009.73 and 7,435,080.95

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Solution

The fourth proportional to 13,315,355.93, 18,375,009.73 and 7,435,080.95 is: 10,260,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,355.93 : 18,375,009.73 = 7,435,080.95 : x
  2. Step 2: Convert to fraction form
    13,315,355.93/18,375,009.73 = 7,435,080.95/x
  3. Step 3: Cross multiply
    13,315,355.93x = 18,375,009.73 × 7,435,080.95
  4. Step 4: Simplify right side
    13,315,355.93x = 136,619,684,689,124.89
  5. Step 5: Solve for x
    x = 136,619,684,689,124.89/13,315,355.93
  6. Step 6: Final answer
    x = 10,260,310.38

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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.