Home / 15,631,723.85-21,572,975.63-9,835,474.01

Finding the Fourth Proportional to 15,631,723.85, 21,572,975.63 and 9,835,474.01

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Solution

The fourth proportional to 15,631,723.85, 21,572,975.63 and 9,835,474.01 is: 13,573,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,723.85 : 21,572,975.63 = 9,835,474.01 : x
  2. Step 2: Convert to fraction form
    15,631,723.85/21,572,975.63 = 9,835,474.01/x
  3. Step 3: Cross multiply
    15,631,723.85x = 21,572,975.63 × 9,835,474.01
  4. Step 4: Simplify right side
    15,631,723.85x = 212,180,441,043,952.22
  5. Step 5: Solve for x
    x = 212,180,441,043,952.22/15,631,723.85
  6. Step 6: Final answer
    x = 13,573,707.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.