Home / 31,367,643.20-47,051,464.80-8,338,533.20

Finding the Fourth Proportional to 31,367,643.20, 47,051,464.80 and 8,338,533.20

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Solution

The fourth proportional to 31,367,643.20, 47,051,464.80 and 8,338,533.20 is: 12,507,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367,643.20 : 47,051,464.80 = 8,338,533.20 : x
  2. Step 2: Convert to fraction form
    31,367,643.20/47,051,464.80 = 8,338,533.20/x
  3. Step 3: Cross multiply
    31,367,643.20x = 47,051,464.80 × 8,338,533.20
  4. Step 4: Simplify right side
    31,367,643.20x = 392,340,201,343,431.38
  5. Step 5: Solve for x
    x = 392,340,201,343,431.38/31,367,643.20
  6. Step 6: Final answer
    x = 12,507,799.80

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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.