Home / 8,281,802.70-12,394,710.45-7,274,033.10

Finding the Fourth Proportional to 8,281,802.70, 12,394,710.45 and 7,274,033.10

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Solution

The fourth proportional to 8,281,802.70, 12,394,710.45 and 7,274,033.10 is: 10,886,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,802.70 : 12,394,710.45 = 7,274,033.10 : x
  2. Step 2: Convert to fraction form
    8,281,802.70/12,394,710.45 = 7,274,033.10/x
  3. Step 3: Cross multiply
    8,281,802.70x = 12,394,710.45 × 7,274,033.10
  4. Step 4: Simplify right side
    8,281,802.70x = 90,159,534,078,215.89
  5. Step 5: Solve for x
    x = 90,159,534,078,215.89/8,281,802.70
  6. Step 6: Final answer
    x = 10,886,462.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.