Home / 7,880,922.72-11,804,276.88-4,839,055.20

Finding the Fourth Proportional to 7,880,922.72, 11,804,276.88 and 4,839,055.20

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Solution

The fourth proportional to 7,880,922.72, 11,804,276.88 and 4,839,055.20 is: 7,248,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,922.72 : 11,804,276.88 = 4,839,055.20 : x
  2. Step 2: Convert to fraction form
    7,880,922.72/11,804,276.88 = 4,839,055.20/x
  3. Step 3: Cross multiply
    7,880,922.72x = 11,804,276.88 × 4,839,055.20
  4. Step 4: Simplify right side
    7,880,922.72x = 57,121,547,418,403.78
  5. Step 5: Solve for x
    x = 57,121,547,418,403.78/7,880,922.72
  6. Step 6: Final answer
    x = 7,248,078.61

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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.