Home / 13,898,336.81-19,180,853.89-7,705,326.90

Finding the Fourth Proportional to 13,898,336.81, 19,180,853.89 and 7,705,326.90

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Solution

The fourth proportional to 13,898,336.81, 19,180,853.89 and 7,705,326.90 is: 10,633,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,336.81 : 19,180,853.89 = 7,705,326.90 : x
  2. Step 2: Convert to fraction form
    13,898,336.81/19,180,853.89 = 7,705,326.90/x
  3. Step 3: Cross multiply
    13,898,336.81x = 19,180,853.89 × 7,705,326.90
  4. Step 4: Simplify right side
    13,898,336.81x = 147,794,749,424,323.31
  5. Step 5: Solve for x
    x = 147,794,749,424,323.31/13,898,336.81
  6. Step 6: Final answer
    x = 10,633,988.18

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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.