Home / 7,158,022.08-9,878,479.20-4,102,745.28

Finding the Fourth Proportional to 7,158,022.08, 9,878,479.20 and 4,102,745.28

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Solution

The fourth proportional to 7,158,022.08, 9,878,479.20 and 4,102,745.28 is: 5,662,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,022.08 : 9,878,479.20 = 4,102,745.28 : x
  2. Step 2: Convert to fraction form
    7,158,022.08/9,878,479.20 = 4,102,745.28/x
  3. Step 3: Cross multiply
    7,158,022.08x = 9,878,479.20 × 4,102,745.28
  4. Step 4: Simplify right side
    7,158,022.08x = 40,528,883,911,378.17
  5. Step 5: Solve for x
    x = 40,528,883,911,378.17/7,158,022.08
  6. Step 6: Final answer
    x = 5,662,022.76

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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.