Home / 14,342,679-19,792,897.47-7,904,151

Finding the Fourth Proportional to 14,342,679, 19,792,897.47 and 7,904,151

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Solution

The fourth proportional to 14,342,679, 19,792,897.47 and 7,904,151 is: 10,907,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,679 : 19,792,897.47 = 7,904,151 : x
  2. Step 2: Convert to fraction form
    14,342,679/19,792,897.47 = 7,904,151/x
  3. Step 3: Cross multiply
    14,342,679x = 19,792,897.47 × 7,904,151
  4. Step 4: Simplify right side
    14,342,679x = 156,446,050,330,397.97
  5. Step 5: Solve for x
    x = 156,446,050,330,397.97/14,342,679
  6. Step 6: Final answer
    x = 10,907,728.63

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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.