Home / 23,174,365.88-31,980,417.84-12,720,072.60

Finding the Fourth Proportional to 23,174,365.88, 31,980,417.84 and 12,720,072.60

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Solution

The fourth proportional to 23,174,365.88, 31,980,417.84 and 12,720,072.60 is: 17,553,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174,365.88 : 31,980,417.84 = 12,720,072.60 : x
  2. Step 2: Convert to fraction form
    23,174,365.88/31,980,417.84 = 12,720,072.60/x
  3. Step 3: Cross multiply
    23,174,365.88x = 31,980,417.84 × 12,720,072.60
  4. Step 4: Simplify right side
    23,174,365.88x = 406,793,236,703,135.19
  5. Step 5: Solve for x
    x = 406,793,236,703,135.19/23,174,365.88
  6. Step 6: Final answer
    x = 17,553,586.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.