Home / 14,342,671-19,792,886.39-7,904,143

Finding the Fourth Proportional to 14,342,671, 19,792,886.39 and 7,904,143

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Solution

The fourth proportional to 14,342,671, 19,792,886.39 and 7,904,143 is: 10,907,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,671 : 19,792,886.39 = 7,904,143 : x
  2. Step 2: Convert to fraction form
    14,342,671/19,792,886.39 = 7,904,143/x
  3. Step 3: Cross multiply
    14,342,671x = 19,792,886.39 × 7,904,143
  4. Step 4: Simplify right side
    14,342,671x = 156,445,804,409,313.78
  5. Step 5: Solve for x
    x = 156,445,804,409,313.78/14,342,671
  6. Step 6: Final answer
    x = 10,907,717.57

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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.