Home / 19,988,112.84-27,583,657.83-10,820,733.72

Finding the Fourth Proportional to 19,988,112.84, 27,583,657.83 and 10,820,733.72

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Solution

The fourth proportional to 19,988,112.84, 27,583,657.83 and 10,820,733.72 is: 14,932,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,112.84 : 27,583,657.83 = 10,820,733.72 : x
  2. Step 2: Convert to fraction form
    19,988,112.84/27,583,657.83 = 10,820,733.72/x
  3. Step 3: Cross multiply
    19,988,112.84x = 27,583,657.83 × 10,820,733.72
  4. Step 4: Simplify right side
    19,988,112.84x = 298,475,416,402,023
  5. Step 5: Solve for x
    x = 298,475,416,402,023/19,988,112.84
  6. Step 6: Final answer
    x = 14,932,646.16

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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.