Home / 14,428,710.95-19,912,939.75-7,903,279.77

Finding the Fourth Proportional to 14,428,710.95, 19,912,939.75 and 7,903,279.77

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Solution

The fourth proportional to 14,428,710.95, 19,912,939.75 and 7,903,279.77 is: 10,907,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428,710.95 : 19,912,939.75 = 7,903,279.77 : x
  2. Step 2: Convert to fraction form
    14,428,710.95/19,912,939.75 = 7,903,279.77/x
  3. Step 3: Cross multiply
    14,428,710.95x = 19,912,939.75 × 7,903,279.77
  4. Step 4: Simplify right side
    14,428,710.95x = 157,377,533,890,163.78
  5. Step 5: Solve for x
    x = 157,377,533,890,163.78/14,428,710.95
  6. Step 6: Final answer
    x = 10,907,248.36

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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.