Home / 10,112,447.58-13,955,177.79-5,528,769.06

Finding the Fourth Proportional to 10,112,447.58, 13,955,177.79 and 5,528,769.06

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Solution

The fourth proportional to 10,112,447.58, 13,955,177.79 and 5,528,769.06 is: 7,629,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112,447.58 : 13,955,177.79 = 5,528,769.06 : x
  2. Step 2: Convert to fraction form
    10,112,447.58/13,955,177.79 = 5,528,769.06/x
  3. Step 3: Cross multiply
    10,112,447.58x = 13,955,177.79 × 5,528,769.06
  4. Step 4: Simplify right side
    10,112,447.58x = 77,154,955,192,151.17
  5. Step 5: Solve for x
    x = 77,154,955,192,151.17/10,112,447.58
  6. Step 6: Final answer
    x = 7,629,701.37

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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.