Home / 14,012,940.40-21,017,442.30-4,429,287.70

Finding the Fourth Proportional to 14,012,940.40, 21,017,442.30 and 4,429,287.70

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Solution

The fourth proportional to 14,012,940.40, 21,017,442.30 and 4,429,287.70 is: 6,643,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,940.40 : 21,017,442.30 = 4,429,287.70 : x
  2. Step 2: Convert to fraction form
    14,012,940.40/21,017,442.30 = 4,429,287.70/x
  3. Step 3: Cross multiply
    14,012,940.40x = 21,017,442.30 × 4,429,287.70
  4. Step 4: Simplify right side
    14,012,940.40x = 93,092,298,664,849.72
  5. Step 5: Solve for x
    x = 93,092,298,664,849.72/14,012,940.40
  6. Step 6: Final answer
    x = 6,643,309.40

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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.