Home / 13,316,850.29-19,917,570.40-7,838,889.93

Finding the Fourth Proportional to 13,316,850.29, 19,917,570.40 and 7,838,889.93

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Solution

The fourth proportional to 13,316,850.29, 19,917,570.40 and 7,838,889.93 is: 11,724,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,850.29 : 19,917,570.40 = 7,838,889.93 : x
  2. Step 2: Convert to fraction form
    13,316,850.29/19,917,570.40 = 7,838,889.93/x
  3. Step 3: Cross multiply
    13,316,850.29x = 19,917,570.40 × 7,838,889.93
  4. Step 4: Simplify right side
    13,316,850.29x = 156,131,642,019,028.84
  5. Step 5: Solve for x
    x = 156,131,642,019,028.84/13,316,850.29
  6. Step 6: Final answer
    x = 11,724,367.14

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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.