Home / 13,810,803,720.12-19,060,654,698.54-9,057,078,934.20

Finding the Fourth Proportional to 13,810,803,720.12, 19,060,654,698.54 and 9,057,078,934.20

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Solution

The fourth proportional to 13,810,803,720.12, 19,060,654,698.54 and 9,057,078,934.20 is: 12,499,913,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810,803,720.12 : 19,060,654,698.54 = 9,057,078,934.20 : x
  2. Step 2: Convert to fraction form
    13,810,803,720.12/19,060,654,698.54 = 9,057,078,934.20/x
  3. Step 3: Cross multiply
    13,810,803,720.12x = 19,060,654,698.54 × 9,057,078,934.20
  4. Step 4: Simplify right side
    13,810,803,720.12x = 172,633,854,142,206,902,272
  5. Step 5: Solve for x
    x = 172,633,854,142,206,902,272/13,810,803,720.12
  6. Step 6: Final answer
    x = 12,499,913,664.74

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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.