Home / 21,197,009,717.99-31,804,903,970.58-11,110,325,495.93

Finding the Fourth Proportional to 21,197,009,717.99, 31,804,903,970.58 and 11,110,325,495.93

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Solution

The fourth proportional to 21,197,009,717.99, 31,804,903,970.58 and 11,110,325,495.93 is: 16,670,409,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,009,717.99 : 31,804,903,970.58 = 11,110,325,495.93 : x
  2. Step 2: Convert to fraction form
    21,197,009,717.99/31,804,903,970.58 = 11,110,325,495.93/x
  3. Step 3: Cross multiply
    21,197,009,717.99x = 31,804,903,970.58 × 11,110,325,495.93
  4. Step 4: Simplify right side
    21,197,009,717.99x = 353,362,835,479,940,300,800
  5. Step 5: Solve for x
    x = 353,362,835,479,940,300,800/21,197,009,717.99
  6. Step 6: Final answer
    x = 16,670,409,655.95

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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.