Home / 19,778,725.19-29,666,938.70-5,945,385.22

Finding the Fourth Proportional to 19,778,725.19, 29,666,938.70 and 5,945,385.22

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Solution

The fourth proportional to 19,778,725.19, 29,666,938.70 and 5,945,385.22 is: 8,917,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,725.19 : 29,666,938.70 = 5,945,385.22 : x
  2. Step 2: Convert to fraction form
    19,778,725.19/29,666,938.70 = 5,945,385.22/x
  3. Step 3: Cross multiply
    19,778,725.19x = 29,666,938.70 × 5,945,385.22
  4. Step 4: Simplify right side
    19,778,725.19x = 176,381,378,810,322.16
  5. Step 5: Solve for x
    x = 176,381,378,810,322.16/19,778,725.19
  6. Step 6: Final answer
    x = 8,917,732.42

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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.