Home / 14,178,643.70-21,293,626.35-12,415,046.90

Finding the Fourth Proportional to 14,178,643.70, 21,293,626.35 and 12,415,046.90

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Solution

The fourth proportional to 14,178,643.70, 21,293,626.35 and 12,415,046.90 is: 18,645,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,643.70 : 21,293,626.35 = 12,415,046.90 : x
  2. Step 2: Convert to fraction form
    14,178,643.70/21,293,626.35 = 12,415,046.90/x
  3. Step 3: Cross multiply
    14,178,643.70x = 21,293,626.35 × 12,415,046.90
  4. Step 4: Simplify right side
    14,178,643.70x = 264,361,369,806,325.84
  5. Step 5: Solve for x
    x = 264,361,369,806,325.84/14,178,643.70
  6. Step 6: Final answer
    x = 18,645,039.36

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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.