Home / 21,649,123.56-29,875,802.58-11,859,922.02

Finding the Fourth Proportional to 21,649,123.56, 29,875,802.58 and 11,859,922.02

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Solution

The fourth proportional to 21,649,123.56, 29,875,802.58 and 11,859,922.02 is: 16,366,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,123.56 : 29,875,802.58 = 11,859,922.02 : x
  2. Step 2: Convert to fraction form
    21,649,123.56/29,875,802.58 = 11,859,922.02/x
  3. Step 3: Cross multiply
    21,649,123.56x = 29,875,802.58 × 11,859,922.02
  4. Step 4: Simplify right side
    21,649,123.56x = 354,324,688,883,714.75
  5. Step 5: Solve for x
    x = 354,324,688,883,714.75/21,649,123.56
  6. Step 6: Final answer
    x = 16,366,699.00

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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.