Home / 7,242,078.16-9,985,868.04-4,625,143.12

Finding the Fourth Proportional to 7,242,078.16, 9,985,868.04 and 4,625,143.12

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Solution

The fourth proportional to 7,242,078.16, 9,985,868.04 and 4,625,143.12 is: 6,377,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,078.16 : 9,985,868.04 = 4,625,143.12 : x
  2. Step 2: Convert to fraction form
    7,242,078.16/9,985,868.04 = 4,625,143.12/x
  3. Step 3: Cross multiply
    7,242,078.16x = 9,985,868.04 × 4,625,143.12
  4. Step 4: Simplify right side
    7,242,078.16x = 46,186,068,862,433.88
  5. Step 5: Solve for x
    x = 46,186,068,862,433.88/7,242,078.16
  6. Step 6: Final answer
    x = 6,377,460.70

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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.