Home / 21,126,069,798.66-29,154,632,404.59-11,610,448,632.54

Finding the Fourth Proportional to 21,126,069,798.66, 29,154,632,404.59 and 11,610,448,632.54

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Solution

The fourth proportional to 21,126,069,798.66, 29,154,632,404.59 and 11,610,448,632.54 is: 16,022,779,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,126,069,798.66 : 29,154,632,404.59 = 11,610,448,632.54 : x
  2. Step 2: Convert to fraction form
    21,126,069,798.66/29,154,632,404.59 = 11,610,448,632.54/x
  3. Step 3: Cross multiply
    21,126,069,798.66x = 29,154,632,404.59 × 11,610,448,632.54
  4. Step 4: Simplify right side
    21,126,069,798.66x = 338,498,361,934,078,345,216
  5. Step 5: Solve for x
    x = 338,498,361,934,078,345,216/21,126,069,798.66
  6. Step 6: Final answer
    x = 16,022,779,682.17

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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.