Home / 14,555,458.80-21,801,695.40-7,815,999.60

Finding the Fourth Proportional to 14,555,458.80, 21,801,695.40 and 7,815,999.60

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Solution

The fourth proportional to 14,555,458.80, 21,801,695.40 and 7,815,999.60 is: 11,707,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555,458.80 : 21,801,695.40 = 7,815,999.60 : x
  2. Step 2: Convert to fraction form
    14,555,458.80/21,801,695.40 = 7,815,999.60/x
  3. Step 3: Cross multiply
    14,555,458.80x = 21,801,695.40 × 7,815,999.60
  4. Step 4: Simplify right side
    14,555,458.80x = 170,402,042,525,721.81
  5. Step 5: Solve for x
    x = 170,402,042,525,721.81/14,555,458.80
  6. Step 6: Final answer
    x = 11,707,088.38

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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.