Home / 14,036,129.40-21,054,194.10-12,388,662.30

Finding the Fourth Proportional to 14,036,129.40, 21,054,194.10 and 12,388,662.30

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Solution

The fourth proportional to 14,036,129.40, 21,054,194.10 and 12,388,662.30 is: 18,582,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,129.40 : 21,054,194.10 = 12,388,662.30 : x
  2. Step 2: Convert to fraction form
    14,036,129.40/21,054,194.10 = 12,388,662.30/x
  3. Step 3: Cross multiply
    14,036,129.40x = 21,054,194.10 × 12,388,662.30
  4. Step 4: Simplify right side
    14,036,129.40x = 260,833,300,703,552.47
  5. Step 5: Solve for x
    x = 260,833,300,703,552.47/14,036,129.40
  6. Step 6: Final answer
    x = 18,582,993.45

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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.