Home / 13,868,894.40-19,139,123.52-7,756,932.48

Finding the Fourth Proportional to 13,868,894.40, 19,139,123.52 and 7,756,932.48

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Solution

The fourth proportional to 13,868,894.40, 19,139,123.52 and 7,756,932.48 is: 10,704,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,894.40 : 19,139,123.52 = 7,756,932.48 : x
  2. Step 2: Convert to fraction form
    13,868,894.40/19,139,123.52 = 7,756,932.48/x
  3. Step 3: Cross multiply
    13,868,894.40x = 19,139,123.52 × 7,756,932.48
  4. Step 4: Simplify right side
    13,868,894.40x = 148,460,888,871,019.94
  5. Step 5: Solve for x
    x = 148,460,888,871,019.94/13,868,894.40
  6. Step 6: Final answer
    x = 10,704,594.37

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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.