Home / 21,201,950.72-31,805,132.16-5,849,240.96

Finding the Fourth Proportional to 21,201,950.72, 31,805,132.16 and 5,849,240.96

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Solution

The fourth proportional to 21,201,950.72, 31,805,132.16 and 5,849,240.96 is: 8,774,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,201,950.72 : 31,805,132.16 = 5,849,240.96 : x
  2. Step 2: Convert to fraction form
    21,201,950.72/31,805,132.16 = 5,849,240.96/x
  3. Step 3: Cross multiply
    21,201,950.72x = 31,805,132.16 × 5,849,240.96
  4. Step 4: Simplify right side
    21,201,950.72x = 186,035,881,768,485.28
  5. Step 5: Solve for x
    x = 186,035,881,768,485.28/21,201,950.72
  6. Step 6: Final answer
    x = 8,774,470.06

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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.