Home / 14,036,141.40-21,054,212.10-12,388,674.30

Finding the Fourth Proportional to 14,036,141.40, 21,054,212.10 and 12,388,674.30

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Solution

The fourth proportional to 14,036,141.40, 21,054,212.10 and 12,388,674.30 is: 18,583,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,141.40 : 21,054,212.10 = 12,388,674.30 : x
  2. Step 2: Convert to fraction form
    14,036,141.40/21,054,212.10 = 12,388,674.30/x
  3. Step 3: Cross multiply
    14,036,141.40x = 21,054,212.10 × 12,388,674.30
  4. Step 4: Simplify right side
    14,036,141.40x = 260,833,776,350,019.06
  5. Step 5: Solve for x
    x = 260,833,776,350,019.06/14,036,141.40
  6. Step 6: Final answer
    x = 18,583,011.45

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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.