Home / 11,855,153.28-16,360,128.18-6,422,645.28

Finding the Fourth Proportional to 11,855,153.28, 16,360,128.18 and 6,422,645.28

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Solution

The fourth proportional to 11,855,153.28, 16,360,128.18 and 6,422,645.28 is: 8,863,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,153.28 : 16,360,128.18 = 6,422,645.28 : x
  2. Step 2: Convert to fraction form
    11,855,153.28/16,360,128.18 = 6,422,645.28/x
  3. Step 3: Cross multiply
    11,855,153.28x = 16,360,128.18 × 6,422,645.28
  4. Step 4: Simplify right side
    11,855,153.28x = 105,075,300,035,472
  5. Step 5: Solve for x
    x = 105,075,300,035,472/11,855,153.28
  6. Step 6: Final answer
    x = 8,863,259.51

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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.