Home / 20,852,727.30-28,776,485.81-11,685,549.06

Finding the Fourth Proportional to 20,852,727.30, 28,776,485.81 and 11,685,549.06

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Solution

The fourth proportional to 20,852,727.30, 28,776,485.81 and 11,685,549.06 is: 16,125,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,727.30 : 28,776,485.81 = 11,685,549.06 : x
  2. Step 2: Convert to fraction form
    20,852,727.30/28,776,485.81 = 11,685,549.06/x
  3. Step 3: Cross multiply
    20,852,727.30x = 28,776,485.81 × 11,685,549.06
  4. Step 4: Simplify right side
    20,852,727.30x = 336,269,036,648,721.12
  5. Step 5: Solve for x
    x = 336,269,036,648,721.12/20,852,727.30
  6. Step 6: Final answer
    x = 16,125,901.99

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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.