Home / 13,752,167.71-18,973,852.80-8,243,532.63

Finding the Fourth Proportional to 13,752,167.71, 18,973,852.80 and 8,243,532.63

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Solution

The fourth proportional to 13,752,167.71, 18,973,852.80 and 8,243,532.63 is: 11,373,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,167.71 : 18,973,852.80 = 8,243,532.63 : x
  2. Step 2: Convert to fraction form
    13,752,167.71/18,973,852.80 = 8,243,532.63/x
  3. Step 3: Cross multiply
    13,752,167.71x = 18,973,852.80 × 8,243,532.63
  4. Step 4: Simplify right side
    13,752,167.71x = 156,411,574,713,855.56
  5. Step 5: Solve for x
    x = 156,411,574,713,855.56/13,752,167.71
  6. Step 6: Final answer
    x = 11,373,594.19

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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.