Home / 19,086,783.44-28,657,079.36-13,692,493.26

Finding the Fourth Proportional to 19,086,783.44, 28,657,079.36 and 13,692,493.26

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Solution

The fourth proportional to 19,086,783.44, 28,657,079.36 and 13,692,493.26 is: 20,558,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086,783.44 : 28,657,079.36 = 13,692,493.26 : x
  2. Step 2: Convert to fraction form
    19,086,783.44/28,657,079.36 = 13,692,493.26/x
  3. Step 3: Cross multiply
    19,086,783.44x = 28,657,079.36 × 13,692,493.26
  4. Step 4: Simplify right side
    19,086,783.44x = 392,386,865,988,085.12
  5. Step 5: Solve for x
    x = 392,386,865,988,085.12/19,086,783.44
  6. Step 6: Final answer
    x = 20,558,040.45

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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.