Home / 12,113,705.68-16,717,113.07-6,607,080.55

Finding the Fourth Proportional to 12,113,705.68, 16,717,113.07 and 6,607,080.55

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Solution

The fourth proportional to 12,113,705.68, 16,717,113.07 and 6,607,080.55 is: 9,117,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,705.68 : 16,717,113.07 = 6,607,080.55 : x
  2. Step 2: Convert to fraction form
    12,113,705.68/16,717,113.07 = 6,607,080.55/x
  3. Step 3: Cross multiply
    12,113,705.68x = 16,717,113.07 × 6,607,080.55
  4. Step 4: Simplify right side
    12,113,705.68x = 110,451,312,558,637.31
  5. Step 5: Solve for x
    x = 110,451,312,558,637.31/12,113,705.68
  6. Step 6: Final answer
    x = 9,117,879.82

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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.