Home / 13,173,904-18,179,987.52-7,144,592

Finding the Fourth Proportional to 13,173,904, 18,179,987.52 and 7,144,592

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Solution

The fourth proportional to 13,173,904, 18,179,987.52 and 7,144,592 is: 9,859,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,904 : 18,179,987.52 = 7,144,592 : x
  2. Step 2: Convert to fraction form
    13,173,904/18,179,987.52 = 7,144,592/x
  3. Step 3: Cross multiply
    13,173,904x = 18,179,987.52 × 7,144,592
  4. Step 4: Simplify right side
    13,173,904x = 129,888,593,395,491.84
  5. Step 5: Solve for x
    x = 129,888,593,395,491.84/13,173,904
  6. Step 6: Final answer
    x = 9,859,536.96

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1.5x scale

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.