Home / 14,365,644.58-19,825,010.90-7,839,695.44

Finding the Fourth Proportional to 14,365,644.58, 19,825,010.90 and 7,839,695.44

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Solution

The fourth proportional to 14,365,644.58, 19,825,010.90 and 7,839,695.44 is: 10,819,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,644.58 : 19,825,010.90 = 7,839,695.44 : x
  2. Step 2: Convert to fraction form
    14,365,644.58/19,825,010.90 = 7,839,695.44/x
  3. Step 3: Cross multiply
    14,365,644.58x = 19,825,010.90 × 7,839,695.44
  4. Step 4: Simplify right side
    14,365,644.58x = 155,422,047,550,680.28
  5. Step 5: Solve for x
    x = 155,422,047,550,680.28/14,365,644.58
  6. Step 6: Final answer
    x = 10,819,009.66

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1.5x scale

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.