Home / 12,738,821.04-17,579,450.70-6,937,699.68

Finding the Fourth Proportional to 12,738,821.04, 17,579,450.70 and 6,937,699.68

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Solution

The fourth proportional to 12,738,821.04, 17,579,450.70 and 6,937,699.68 is: 9,573,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,821.04 : 17,579,450.70 = 6,937,699.68 : x
  2. Step 2: Convert to fraction form
    12,738,821.04/17,579,450.70 = 6,937,699.68/x
  3. Step 3: Cross multiply
    12,738,821.04x = 17,579,450.70 × 6,937,699.68
  4. Step 4: Simplify right side
    12,738,821.04x = 121,960,949,495,965.77
  5. Step 5: Solve for x
    x = 121,960,949,495,965.77/12,738,821.04
  6. Step 6: Final answer
    x = 9,573,958.93

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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.