Home / 31,507,631.04-47,257,246.80-8,786,625.60

Finding the Fourth Proportional to 31,507,631.04, 47,257,246.80 and 8,786,625.60

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Solution

The fourth proportional to 31,507,631.04, 47,257,246.80 and 8,786,625.60 is: 13,178,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,631.04 : 47,257,246.80 = 8,786,625.60 : x
  2. Step 2: Convert to fraction form
    31,507,631.04/47,257,246.80 = 8,786,625.60/x
  3. Step 3: Cross multiply
    31,507,631.04x = 47,257,246.80 × 8,786,625.60
  4. Step 4: Simplify right side
    31,507,631.04x = 415,231,734,518,398.06
  5. Step 5: Solve for x
    x = 415,231,734,518,398.06/31,507,631.04
  6. Step 6: Final answer
    x = 13,178,767.20

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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.