Home / 51,981,799-71,732,040.70-28,455,784.64

Finding the Fourth Proportional to 51,981,799, 71,732,040.70 and 28,455,784.64

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Solution

The fourth proportional to 51,981,799, 71,732,040.70 and 28,455,784.64 is: 39,267,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,799 : 71,732,040.70 = 28,455,784.64 : x
  2. Step 2: Convert to fraction form
    51,981,799/71,732,040.70 = 28,455,784.64/x
  3. Step 3: Cross multiply
    51,981,799x = 71,732,040.70 × 28,455,784.64
  4. Step 4: Simplify right side
    51,981,799x = 2,041,191,501,946,915
  5. Step 5: Solve for x
    x = 2,041,191,501,946,915/51,981,799
  6. Step 6: Final answer
    x = 39,267,427.08

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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.