Home / 7,762,072.80-11,643,109.20-4,934,719.20

Finding the Fourth Proportional to 7,762,072.80, 11,643,109.20 and 4,934,719.20

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Solution

The fourth proportional to 7,762,072.80, 11,643,109.20 and 4,934,719.20 is: 7,402,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762,072.80 : 11,643,109.20 = 4,934,719.20 : x
  2. Step 2: Convert to fraction form
    7,762,072.80/11,643,109.20 = 4,934,719.20/x
  3. Step 3: Cross multiply
    7,762,072.80x = 11,643,109.20 × 4,934,719.20
  4. Step 4: Simplify right side
    7,762,072.80x = 57,455,474,516,936.64
  5. Step 5: Solve for x
    x = 57,455,474,516,936.64/7,762,072.80
  6. Step 6: Final answer
    x = 7,402,078.80

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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.