Home / 7,665,603.72-11,506,380.84-5,646,127.92

Finding the Fourth Proportional to 7,665,603.72, 11,506,380.84 and 5,646,127.92

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Solution

The fourth proportional to 7,665,603.72, 11,506,380.84 and 5,646,127.92 is: 8,475,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,603.72 : 11,506,380.84 = 5,646,127.92 : x
  2. Step 2: Convert to fraction form
    7,665,603.72/11,506,380.84 = 5,646,127.92/x
  3. Step 3: Cross multiply
    7,665,603.72x = 11,506,380.84 × 5,646,127.92
  4. Step 4: Simplify right side
    7,665,603.72x = 64,966,498,118,877.05
  5. Step 5: Solve for x
    x = 64,966,498,118,877.05/7,665,603.72
  6. Step 6: Final answer
    x = 8,475,066.09

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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.