Home / 14,079,993.50-19,430,391.05-7,641,465.50

Finding the Fourth Proportional to 14,079,993.50, 19,430,391.05 and 7,641,465.50

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Solution

The fourth proportional to 14,079,993.50, 19,430,391.05 and 7,641,465.50 is: 10,545,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079,993.50 : 19,430,391.05 = 7,641,465.50 : x
  2. Step 2: Convert to fraction form
    14,079,993.50/19,430,391.05 = 7,641,465.50/x
  3. Step 3: Cross multiply
    14,079,993.50x = 19,430,391.05 × 7,641,465.50
  4. Step 4: Simplify right side
    14,079,993.50x = 148,476,662,860,083.78
  5. Step 5: Solve for x
    x = 148,476,662,860,083.78/14,079,993.50
  6. Step 6: Final answer
    x = 10,545,222.40

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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.