Home / 31,903,390.40-47,823,981.60-18,242,513.60

Finding the Fourth Proportional to 31,903,390.40, 47,823,981.60 and 18,242,513.60

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Solution

The fourth proportional to 31,903,390.40, 47,823,981.60 and 18,242,513.60 is: 27,345,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903,390.40 : 47,823,981.60 = 18,242,513.60 : x
  2. Step 2: Convert to fraction form
    31,903,390.40/47,823,981.60 = 18,242,513.60/x
  3. Step 3: Cross multiply
    31,903,390.40x = 47,823,981.60 × 18,242,513.60
  4. Step 4: Simplify right side
    31,903,390.40x = 872,429,634,744,149.88
  5. Step 5: Solve for x
    x = 872,429,634,744,149.88/31,903,390.40
  6. Step 6: Final answer
    x = 27,345,984.98

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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.