Home / 13,868,774.73-19,137,869.87-7,756,022.25

Finding the Fourth Proportional to 13,868,774.73, 19,137,869.87 and 7,756,022.25

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Solution

The fourth proportional to 13,868,774.73, 19,137,869.87 and 7,756,022.25 is: 10,702,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,774.73 : 19,137,869.87 = 7,756,022.25 : x
  2. Step 2: Convert to fraction form
    13,868,774.73/19,137,869.87 = 7,756,022.25/x
  3. Step 3: Cross multiply
    13,868,774.73x = 19,137,869.87 × 7,756,022.25
  4. Step 4: Simplify right side
    13,868,774.73x = 148,433,744,490,544.47
  5. Step 5: Solve for x
    x = 148,433,744,490,544.47/13,868,774.73
  6. Step 6: Final answer
    x = 10,702,729.50

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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.