Home / 8,271,667.28-11,423,603.40-7,369,979.60

Finding the Fourth Proportional to 8,271,667.28, 11,423,603.40 and 7,369,979.60

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Solution

The fourth proportional to 8,271,667.28, 11,423,603.40 and 7,369,979.60 is: 10,178,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,667.28 : 11,423,603.40 = 7,369,979.60 : x
  2. Step 2: Convert to fraction form
    8,271,667.28/11,423,603.40 = 7,369,979.60/x
  3. Step 3: Cross multiply
    8,271,667.28x = 11,423,603.40 × 7,369,979.60
  4. Step 4: Simplify right side
    8,271,667.28x = 84,191,724,016,490.64
  5. Step 5: Solve for x
    x = 84,191,724,016,490.64/8,271,667.28
  6. Step 6: Final answer
    x = 10,178,325.74

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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.