Home / 14,012,790.40-21,017,217.30-4,429,137.70

Finding the Fourth Proportional to 14,012,790.40, 21,017,217.30 and 4,429,137.70

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Solution

The fourth proportional to 14,012,790.40, 21,017,217.30 and 4,429,137.70 is: 6,643,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,790.40 : 21,017,217.30 = 4,429,137.70 : x
  2. Step 2: Convert to fraction form
    14,012,790.40/21,017,217.30 = 4,429,137.70/x
  3. Step 3: Cross multiply
    14,012,790.40x = 21,017,217.30 × 4,429,137.70
  4. Step 4: Simplify right side
    14,012,790.40x = 93,088,149,492,522.22
  5. Step 5: Solve for x
    x = 93,088,149,492,522.22/14,012,790.40
  6. Step 6: Final answer
    x = 6,643,084.41

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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.