Home / 21,420,593.16-32,131,923.10-7,043,342.64

Finding the Fourth Proportional to 21,420,593.16, 32,131,923.10 and 7,043,342.64

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Solution

The fourth proportional to 21,420,593.16, 32,131,923.10 and 7,043,342.64 is: 10,565,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,420,593.16 : 32,131,923.10 = 7,043,342.64 : x
  2. Step 2: Convert to fraction form
    21,420,593.16/32,131,923.10 = 7,043,342.64/x
  3. Step 3: Cross multiply
    21,420,593.16x = 32,131,923.10 × 7,043,342.64
  4. Step 4: Simplify right side
    21,420,593.16x = 226,316,144,075,430.97
  5. Step 5: Solve for x
    x = 226,316,144,075,430.97/21,420,593.16
  6. Step 6: Final answer
    x = 10,565,353.74

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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.