Home / 21,683,366.81-32,481,681.99-13,042,697.48

Finding the Fourth Proportional to 21,683,366.81, 32,481,681.99 and 13,042,697.48

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Solution

The fourth proportional to 21,683,366.81, 32,481,681.99 and 13,042,697.48 is: 19,537,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683,366.81 : 32,481,681.99 = 13,042,697.48 : x
  2. Step 2: Convert to fraction form
    21,683,366.81/32,481,681.99 = 13,042,697.48/x
  3. Step 3: Cross multiply
    21,683,366.81x = 32,481,681.99 × 13,042,697.48
  4. Step 4: Simplify right side
    21,683,366.81x = 423,648,751,674,725.94
  5. Step 5: Solve for x
    x = 423,648,751,674,725.94/21,683,366.81
  6. Step 6: Final answer
    x = 19,537,959.92

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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.