Home / 31,838,942.88-47,759,349.60-8,810,066.40

Finding the Fourth Proportional to 31,838,942.88, 47,759,349.60 and 8,810,066.40

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Solution

The fourth proportional to 31,838,942.88, 47,759,349.60 and 8,810,066.40 is: 13,215,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,942.88 : 47,759,349.60 = 8,810,066.40 : x
  2. Step 2: Convert to fraction form
    31,838,942.88/47,759,349.60 = 8,810,066.40/x
  3. Step 3: Cross multiply
    31,838,942.88x = 47,759,349.60 × 8,810,066.40
  4. Step 4: Simplify right side
    31,838,942.88x = 420,763,041,196,813.50
  5. Step 5: Solve for x
    x = 420,763,041,196,813.50/31,838,942.88
  6. Step 6: Final answer
    x = 13,215,358.40

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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.