Home / 14,019,877.20-21,029,815.80-6,461,605.20

Finding the Fourth Proportional to 14,019,877.20, 21,029,815.80 and 6,461,605.20

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Solution

The fourth proportional to 14,019,877.20, 21,029,815.80 and 6,461,605.20 is: 9,692,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019,877.20 : 21,029,815.80 = 6,461,605.20 : x
  2. Step 2: Convert to fraction form
    14,019,877.20/21,029,815.80 = 6,461,605.20/x
  3. Step 3: Cross multiply
    14,019,877.20x = 21,029,815.80 × 6,461,605.20
  4. Step 4: Simplify right side
    14,019,877.20x = 135,886,367,128,322.17
  5. Step 5: Solve for x
    x = 135,886,367,128,322.17/14,019,877.20
  6. Step 6: Final answer
    x = 9,692,407.80

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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.