Home / 21,507,967.80-32,261,951.70-10,758,425.40

Finding the Fourth Proportional to 21,507,967.80, 32,261,951.70 and 10,758,425.40

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Solution

The fourth proportional to 21,507,967.80, 32,261,951.70 and 10,758,425.40 is: 16,137,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,967.80 : 32,261,951.70 = 10,758,425.40 : x
  2. Step 2: Convert to fraction form
    21,507,967.80/32,261,951.70 = 10,758,425.40/x
  3. Step 3: Cross multiply
    21,507,967.80x = 32,261,951.70 × 10,758,425.40
  4. Step 4: Simplify right side
    21,507,967.80x = 347,087,800,622,853.19
  5. Step 5: Solve for x
    x = 347,087,800,622,853.19/21,507,967.80
  6. Step 6: Final answer
    x = 16,137,638.10

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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.