Home / 19,319,698.72-26,660,620.56-11,059,487.20

Finding the Fourth Proportional to 19,319,698.72, 26,660,620.56 and 11,059,487.20

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Solution

The fourth proportional to 19,319,698.72, 26,660,620.56 and 11,059,487.20 is: 15,261,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,698.72 : 26,660,620.56 = 11,059,487.20 : x
  2. Step 2: Convert to fraction form
    19,319,698.72/26,660,620.56 = 11,059,487.20/x
  3. Step 3: Cross multiply
    19,319,698.72x = 26,660,620.56 × 11,059,487.20
  4. Step 4: Simplify right side
    19,319,698.72x = 294,852,791,827,376.81
  5. Step 5: Solve for x
    x = 294,852,791,827,376.81/19,319,698.72
  6. Step 6: Final answer
    x = 15,261,769.66

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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.