Home / 21,197,009,717.30-31,804,903,969.55-11,110,325,495.24

Finding the Fourth Proportional to 21,197,009,717.30, 31,804,903,969.55 and 11,110,325,495.24

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Solution

The fourth proportional to 21,197,009,717.30, 31,804,903,969.55 and 11,110,325,495.24 is: 16,670,409,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,009,717.30 : 31,804,903,969.55 = 11,110,325,495.24 : x
  2. Step 2: Convert to fraction form
    21,197,009,717.30/31,804,903,969.55 = 11,110,325,495.24/x
  3. Step 3: Cross multiply
    21,197,009,717.30x = 31,804,903,969.55 × 11,110,325,495.24
  4. Step 4: Simplify right side
    21,197,009,717.30x = 353,362,835,446,551,216,128
  5. Step 5: Solve for x
    x = 353,362,835,446,551,216,128/21,197,009,717.30
  6. Step 6: Final answer
    x = 16,670,409,654.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.