Home / 18,776,178.21-28,168,313.46-5,822,068.35

Finding the Fourth Proportional to 18,776,178.21, 28,168,313.46 and 5,822,068.35

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Solution

The fourth proportional to 18,776,178.21, 28,168,313.46 and 5,822,068.35 is: 8,734,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776,178.21 : 28,168,313.46 = 5,822,068.35 : x
  2. Step 2: Convert to fraction form
    18,776,178.21/28,168,313.46 = 5,822,068.35/x
  3. Step 3: Cross multiply
    18,776,178.21x = 28,168,313.46 × 5,822,068.35
  4. Step 4: Simplify right side
    18,776,178.21x = 163,997,846,268,345
  5. Step 5: Solve for x
    x = 163,997,846,268,345/18,776,178.21
  6. Step 6: Final answer
    x = 8,734,357.14

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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.