Home / 13,511,040.93-18,646,567.61-7,710,695.73

Finding the Fourth Proportional to 13,511,040.93, 18,646,567.61 and 7,710,695.73

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Solution

The fourth proportional to 13,511,040.93, 18,646,567.61 and 7,710,695.73 is: 10,641,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,040.93 : 18,646,567.61 = 7,710,695.73 : x
  2. Step 2: Convert to fraction form
    13,511,040.93/18,646,567.61 = 7,710,695.73/x
  3. Step 3: Cross multiply
    13,511,040.93x = 18,646,567.61 × 7,710,695.73
  4. Step 4: Simplify right side
    13,511,040.93x = 143,778,009,211,029.84
  5. Step 5: Solve for x
    x = 143,778,009,211,029.84/13,511,040.93
  6. Step 6: Final answer
    x = 10,641,519.77

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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.