Home / 13,824,011.68-19,077,148.08-7,712,441.44

Finding the Fourth Proportional to 13,824,011.68, 19,077,148.08 and 7,712,441.44

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Solution

The fourth proportional to 13,824,011.68, 19,077,148.08 and 7,712,441.44 is: 10,643,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,011.68 : 19,077,148.08 = 7,712,441.44 : x
  2. Step 2: Convert to fraction form
    13,824,011.68/19,077,148.08 = 7,712,441.44/x
  3. Step 3: Cross multiply
    13,824,011.68x = 19,077,148.08 × 7,712,441.44
  4. Step 4: Simplify right side
    13,824,011.68x = 147,131,387,409,208.44
  5. Step 5: Solve for x
    x = 147,131,387,409,208.44/13,824,011.68
  6. Step 6: Final answer
    x = 10,643,175.86

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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.