Home / 14,342,331.44-19,792,421.52-7,815,962.72

Finding the Fourth Proportional to 14,342,331.44, 19,792,421.52 and 7,815,962.72

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Solution

The fourth proportional to 14,342,331.44, 19,792,421.52 and 7,815,962.72 is: 10,786,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,331.44 : 19,792,421.52 = 7,815,962.72 : x
  2. Step 2: Convert to fraction form
    14,342,331.44/19,792,421.52 = 7,815,962.72/x
  3. Step 3: Cross multiply
    14,342,331.44x = 19,792,421.52 × 7,815,962.72
  4. Step 4: Simplify right side
    14,342,331.44x = 154,696,828,738,845.72
  5. Step 5: Solve for x
    x = 154,696,828,738,845.72/14,342,331.44
  6. Step 6: Final answer
    x = 10,786,030.81

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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.