Home / 13,180,050.36-19,689,925.77-8,531,166.51

Finding the Fourth Proportional to 13,180,050.36, 19,689,925.77 and 8,531,166.51

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Solution

The fourth proportional to 13,180,050.36, 19,689,925.77 and 8,531,166.51 is: 12,744,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,050.36 : 19,689,925.77 = 8,531,166.51 : x
  2. Step 2: Convert to fraction form
    13,180,050.36/19,689,925.77 = 8,531,166.51/x
  3. Step 3: Cross multiply
    13,180,050.36x = 19,689,925.77 × 8,531,166.51
  4. Step 4: Simplify right side
    13,180,050.36x = 167,978,035,313,409.97
  5. Step 5: Solve for x
    x = 167,978,035,313,409.97/13,180,050.36
  6. Step 6: Final answer
    x = 12,744,870.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.