Home / 21,937,178.88-30,272,934.96-12,147,413.76

Finding the Fourth Proportional to 21,937,178.88, 30,272,934.96 and 12,147,413.76

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Solution

The fourth proportional to 21,937,178.88, 30,272,934.96 and 12,147,413.76 is: 16,763,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937,178.88 : 30,272,934.96 = 12,147,413.76 : x
  2. Step 2: Convert to fraction form
    21,937,178.88/30,272,934.96 = 12,147,413.76/x
  3. Step 3: Cross multiply
    21,937,178.88x = 30,272,934.96 × 12,147,413.76
  4. Step 4: Simplify right side
    21,937,178.88x = 367,737,866,688,689.06
  5. Step 5: Solve for x
    x = 367,737,866,688,689.06/21,937,178.88
  6. Step 6: Final answer
    x = 16,763,225.06

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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.