Home / 14,127,894.80-21,160,349.40-10,915,629.20

Finding the Fourth Proportional to 14,127,894.80, 21,160,349.40 and 10,915,629.20

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Solution

The fourth proportional to 14,127,894.80, 21,160,349.40 and 10,915,629.20 is: 16,349,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,894.80 : 21,160,349.40 = 10,915,629.20 : x
  2. Step 2: Convert to fraction form
    14,127,894.80/21,160,349.40 = 10,915,629.20/x
  3. Step 3: Cross multiply
    14,127,894.80x = 21,160,349.40 × 10,915,629.20
  4. Step 4: Simplify right side
    14,127,894.80x = 230,978,527,792,842.44
  5. Step 5: Solve for x
    x = 230,978,527,792,842.44/14,127,894.80
  6. Step 6: Final answer
    x = 16,349,111.53

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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.