Home / 21,345,287,861.76-29,456,500,041.36-11,830,453,892.52

Finding the Fourth Proportional to 21,345,287,861.76, 29,456,500,041.36 and 11,830,453,892.52

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Solution

The fourth proportional to 21,345,287,861.76, 29,456,500,041.36 and 11,830,453,892.52 is: 16,326,027,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,287,861.76 : 29,456,500,041.36 = 11,830,453,892.52 : x
  2. Step 2: Convert to fraction form
    21,345,287,861.76/29,456,500,041.36 = 11,830,453,892.52/x
  3. Step 3: Cross multiply
    21,345,287,861.76x = 29,456,500,041.36 × 11,830,453,892.52
  4. Step 4: Simplify right side
    21,345,287,861.76x = 348,483,765,574,322,946,048
  5. Step 5: Solve for x
    x = 348,483,765,574,322,946,048/21,345,287,861.76
  6. Step 6: Final answer
    x = 16,326,027,919.19

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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.