Home / 13,537,833.48-18,682,036.02-7,736,548.68

Finding the Fourth Proportional to 13,537,833.48, 18,682,036.02 and 7,736,548.68

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Solution

The fourth proportional to 13,537,833.48, 18,682,036.02 and 7,736,548.68 is: 10,676,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537,833.48 : 18,682,036.02 = 7,736,548.68 : x
  2. Step 2: Convert to fraction form
    13,537,833.48/18,682,036.02 = 7,736,548.68/x
  3. Step 3: Cross multiply
    13,537,833.48x = 18,682,036.02 × 7,736,548.68
  4. Step 4: Simplify right side
    13,537,833.48x = 144,534,481,110,243.44
  5. Step 5: Solve for x
    x = 144,534,481,110,243.44/13,537,833.48
  6. Step 6: Final answer
    x = 10,676,337.64

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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.