Home / 10,100,342.17-13,938,069.49-5,689,965.07

Finding the Fourth Proportional to 10,100,342.17, 13,938,069.49 and 5,689,965.07

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Solution

The fourth proportional to 10,100,342.17, 13,938,069.49 and 5,689,965.07 is: 7,851,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100,342.17 : 13,938,069.49 = 5,689,965.07 : x
  2. Step 2: Convert to fraction form
    10,100,342.17/13,938,069.49 = 5,689,965.07/x
  3. Step 3: Cross multiply
    10,100,342.17x = 13,938,069.49 × 5,689,965.07
  4. Step 4: Simplify right side
    10,100,342.17x = 79,307,128,541,332.72
  5. Step 5: Solve for x
    x = 79,307,128,541,332.72/10,100,342.17
  6. Step 6: Final answer
    x = 7,851,924.94

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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.