Home / 21,284,763.40-31,927,145.10-14,902,222.60

Finding the Fourth Proportional to 21,284,763.40, 31,927,145.10 and 14,902,222.60

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Solution

The fourth proportional to 21,284,763.40, 31,927,145.10 and 14,902,222.60 is: 22,353,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,763.40 : 31,927,145.10 = 14,902,222.60 : x
  2. Step 2: Convert to fraction form
    21,284,763.40/31,927,145.10 = 14,902,222.60/x
  3. Step 3: Cross multiply
    21,284,763.40x = 31,927,145.10 × 14,902,222.60
  4. Step 4: Simplify right side
    21,284,763.40x = 475,785,423,262,699.25
  5. Step 5: Solve for x
    x = 475,785,423,262,699.25/21,284,763.40
  6. Step 6: Final answer
    x = 22,353,333.90

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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.