Home / 14,012,490.80-21,014,799.60-4,430,806.40

Finding the Fourth Proportional to 14,012,490.80, 21,014,799.60 and 4,430,806.40

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Solution

The fourth proportional to 14,012,490.80, 21,014,799.60 and 4,430,806.40 is: 6,644,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,490.80 : 21,014,799.60 = 4,430,806.40 : x
  2. Step 2: Convert to fraction form
    14,012,490.80/21,014,799.60 = 4,430,806.40/x
  3. Step 3: Cross multiply
    14,012,490.80x = 21,014,799.60 × 4,430,806.40
  4. Step 4: Simplify right side
    14,012,490.80x = 93,112,508,562,397.45
  5. Step 5: Solve for x
    x = 93,112,508,562,397.45/14,012,490.80
  6. Step 6: Final answer
    x = 6,644,964.83

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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.