Home / 18,907,352.16-28,355,079.36-6,124,891.20

Finding the Fourth Proportional to 18,907,352.16, 28,355,079.36 and 6,124,891.20

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Solution

The fourth proportional to 18,907,352.16, 28,355,079.36 and 6,124,891.20 is: 9,185,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907,352.16 : 28,355,079.36 = 6,124,891.20 : x
  2. Step 2: Convert to fraction form
    18,907,352.16/28,355,079.36 = 6,124,891.20/x
  3. Step 3: Cross multiply
    18,907,352.16x = 28,355,079.36 × 6,124,891.20
  4. Step 4: Simplify right side
    18,907,352.16x = 173,671,776,047,365.62
  5. Step 5: Solve for x
    x = 173,671,776,047,365.62/18,907,352.16
  6. Step 6: Final answer
    x = 9,185,409.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.