Home / 14,386,914.80-19,853,707.82-7,860,403.80

Finding the Fourth Proportional to 14,386,914.80, 19,853,707.82 and 7,860,403.80

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Solution

The fourth proportional to 14,386,914.80, 19,853,707.82 and 7,860,403.80 is: 10,847,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386,914.80 : 19,853,707.82 = 7,860,403.80 : x
  2. Step 2: Convert to fraction form
    14,386,914.80/19,853,707.82 = 7,860,403.80/x
  3. Step 3: Cross multiply
    14,386,914.80x = 19,853,707.82 × 7,860,403.80
  4. Step 4: Simplify right side
    14,386,914.80x = 156,058,160,392,417.72
  5. Step 5: Solve for x
    x = 156,058,160,392,417.72/14,386,914.80
  6. Step 6: Final answer
    x = 10,847,229.07

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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.