Home / 21,342,732.93-31,994,482.61-7,692,538.61

Finding the Fourth Proportional to 21,342,732.93, 31,994,482.61 and 7,692,538.61

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Solution

The fourth proportional to 21,342,732.93, 31,994,482.61 and 7,692,538.61 is: 11,531,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342,732.93 : 31,994,482.61 = 7,692,538.61 : x
  2. Step 2: Convert to fraction form
    21,342,732.93/31,994,482.61 = 7,692,538.61/x
  3. Step 3: Cross multiply
    21,342,732.93x = 31,994,482.61 × 7,692,538.61
  4. Step 4: Simplify right side
    21,342,732.93x = 246,118,792,883,616.12
  5. Step 5: Solve for x
    x = 246,118,792,883,616.12/21,342,732.93
  6. Step 6: Final answer
    x = 11,531,737.46

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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.