Home / 14,036,276.40-21,054,414.60-12,388,809.30

Finding the Fourth Proportional to 14,036,276.40, 21,054,414.60 and 12,388,809.30

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Solution

The fourth proportional to 14,036,276.40, 21,054,414.60 and 12,388,809.30 is: 18,583,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,276.40 : 21,054,414.60 = 12,388,809.30 : x
  2. Step 2: Convert to fraction form
    14,036,276.40/21,054,414.60 = 12,388,809.30/x
  3. Step 3: Cross multiply
    14,036,276.40x = 21,054,414.60 × 12,388,809.30
  4. Step 4: Simplify right side
    14,036,276.40x = 260,839,127,402,535.81
  5. Step 5: Solve for x
    x = 260,839,127,402,535.81/14,036,276.40
  6. Step 6: Final answer
    x = 18,583,213.95

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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.