Home / 31,507,638.04-47,257,257.30-8,786,632.60

Finding the Fourth Proportional to 31,507,638.04, 47,257,257.30 and 8,786,632.60

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Solution

The fourth proportional to 31,507,638.04, 47,257,257.30 and 8,786,632.60 is: 13,178,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,638.04 : 47,257,257.30 = 8,786,632.60 : x
  2. Step 2: Convert to fraction form
    31,507,638.04/47,257,257.30 = 8,786,632.60/x
  3. Step 3: Cross multiply
    31,507,638.04x = 47,257,257.30 × 8,786,632.60
  4. Step 4: Simplify right side
    31,507,638.04x = 415,232,157,578,767.94
  5. Step 5: Solve for x
    x = 415,232,157,578,767.94/31,507,638.04
  6. Step 6: Final answer
    x = 13,178,777.70

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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.