Home / 18,630,384.16-27,945,574.08-5,167,212.16

Finding the Fourth Proportional to 18,630,384.16, 27,945,574.08 and 5,167,212.16

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Solution

The fourth proportional to 18,630,384.16, 27,945,574.08 and 5,167,212.16 is: 7,750,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,384.16 : 27,945,574.08 = 5,167,212.16 : x
  2. Step 2: Convert to fraction form
    18,630,384.16/27,945,574.08 = 5,167,212.16/x
  3. Step 3: Cross multiply
    18,630,384.16x = 27,945,574.08 × 5,167,212.16
  4. Step 4: Simplify right side
    18,630,384.16x = 144,400,710,204,356.81
  5. Step 5: Solve for x
    x = 144,400,710,204,356.81/18,630,384.16
  6. Step 6: Final answer
    x = 7,750,817.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.