Home / 20,104,479,094.34-27,747,197,390.48-15,273,895,010.55

Finding the Fourth Proportional to 20,104,479,094.34, 27,747,197,390.48 and 15,273,895,010.55

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Solution

The fourth proportional to 20,104,479,094.34, 27,747,197,390.48 and 15,273,895,010.55 is: 21,080,266,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,479,094.34 : 27,747,197,390.48 = 15,273,895,010.55 : x
  2. Step 2: Convert to fraction form
    20,104,479,094.34/27,747,197,390.48 = 15,273,895,010.55/x
  3. Step 3: Cross multiply
    20,104,479,094.34x = 27,747,197,390.48 × 15,273,895,010.55
  4. Step 4: Simplify right side
    20,104,479,094.34x = 423,807,779,779,122,036,736
  5. Step 5: Solve for x
    x = 423,807,779,779,122,036,736/20,104,479,094.34
  6. Step 6: Final answer
    x = 21,080,266,630.66

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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.