Home / 13,807,979-20,712,263.34-3,573,058.76

Finding the Fourth Proportional to 13,807,979, 20,712,263.34 and 3,573,058.76

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Solution

The fourth proportional to 13,807,979, 20,712,263.34 and 3,573,058.76 is: 5,359,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,979 : 20,712,263.34 = 3,573,058.76 : x
  2. Step 2: Convert to fraction form
    13,807,979/20,712,263.34 = 3,573,058.76/x
  3. Step 3: Cross multiply
    13,807,979x = 20,712,263.34 × 3,573,058.76
  4. Step 4: Simplify right side
    13,807,979x = 74,006,133,966,413.86
  5. Step 5: Solve for x
    x = 74,006,133,966,413.86/13,807,979
  6. Step 6: Final answer
    x = 5,359,664.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.