Home / 13,587,645.58-18,752,031.44-7,786,967.02

Finding the Fourth Proportional to 13,587,645.58, 18,752,031.44 and 7,786,967.02

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Solution

The fourth proportional to 13,587,645.58, 18,752,031.44 and 7,786,967.02 is: 10,746,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,645.58 : 18,752,031.44 = 7,786,967.02 : x
  2. Step 2: Convert to fraction form
    13,587,645.58/18,752,031.44 = 7,786,967.02/x
  3. Step 3: Cross multiply
    13,587,645.58x = 18,752,031.44 × 7,786,967.02
  4. Step 4: Simplify right side
    13,587,645.58x = 146,021,450,381,283.12
  5. Step 5: Solve for x
    x = 146,021,450,381,283.12/13,587,645.58
  6. Step 6: Final answer
    x = 10,746,633.74

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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.