Home / 14,430,990.45-21,649,270.66-4,712,990.89

Finding the Fourth Proportional to 14,430,990.45, 21,649,270.66 and 4,712,990.89

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Solution

The fourth proportional to 14,430,990.45, 21,649,270.66 and 4,712,990.89 is: 7,070,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430,990.45 : 21,649,270.66 = 4,712,990.89 : x
  2. Step 2: Convert to fraction form
    14,430,990.45/21,649,270.66 = 4,712,990.89/x
  3. Step 3: Cross multiply
    14,430,990.45x = 21,649,270.66 × 4,712,990.89
  4. Step 4: Simplify right side
    14,430,990.45x = 102,032,815,372,159.33
  5. Step 5: Solve for x
    x = 102,032,815,372,159.33/14,430,990.45
  6. Step 6: Final answer
    x = 7,070,395.88

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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.