Home / 13,537,836.48-18,682,040.16-7,736,551.68

Finding the Fourth Proportional to 13,537,836.48, 18,682,040.16 and 7,736,551.68

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Solution

The fourth proportional to 13,537,836.48, 18,682,040.16 and 7,736,551.68 is: 10,676,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537,836.48 : 18,682,040.16 = 7,736,551.68 : x
  2. Step 2: Convert to fraction form
    13,537,836.48/18,682,040.16 = 7,736,551.68/x
  3. Step 3: Cross multiply
    13,537,836.48x = 18,682,040.16 × 7,736,551.68
  4. Step 4: Simplify right side
    13,537,836.48x = 144,534,569,185,675.47
  5. Step 5: Solve for x
    x = 144,534,569,185,675.47/13,537,836.48
  6. Step 6: Final answer
    x = 10,676,341.78

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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.