Home / 12,275,189.76-16,947,020.80-10,913,295.36

Finding the Fourth Proportional to 12,275,189.76, 16,947,020.80 and 10,913,295.36

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Solution

The fourth proportional to 12,275,189.76, 16,947,020.80 and 10,913,295.36 is: 15,066,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275,189.76 : 16,947,020.80 = 10,913,295.36 : x
  2. Step 2: Convert to fraction form
    12,275,189.76/16,947,020.80 = 10,913,295.36/x
  3. Step 3: Cross multiply
    12,275,189.76x = 16,947,020.80 × 10,913,295.36
  4. Step 4: Simplify right side
    12,275,189.76x = 184,947,843,462,463.50
  5. Step 5: Solve for x
    x = 184,947,843,462,463.50/12,275,189.76
  6. Step 6: Final answer
    x = 15,066,801.17

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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.