Home / 31,762,652.80-47,643,979.20-19,669,417.60

Finding the Fourth Proportional to 31,762,652.80, 47,643,979.20 and 19,669,417.60

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Solution

The fourth proportional to 31,762,652.80, 47,643,979.20 and 19,669,417.60 is: 29,504,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762,652.80 : 47,643,979.20 = 19,669,417.60 : x
  2. Step 2: Convert to fraction form
    31,762,652.80/47,643,979.20 = 19,669,417.60/x
  3. Step 3: Cross multiply
    31,762,652.80x = 47,643,979.20 × 19,669,417.60
  4. Step 4: Simplify right side
    31,762,652.80x = 937,129,323,010,514
  5. Step 5: Solve for x
    x = 937,129,323,010,514/31,762,652.80
  6. Step 6: Final answer
    x = 29,504,126.40

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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.