Home / 11,855,149.84-16,360,123.38-6,422,641.84

Finding the Fourth Proportional to 11,855,149.84, 16,360,123.38 and 6,422,641.84

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Solution

The fourth proportional to 11,855,149.84, 16,360,123.38 and 6,422,641.84 is: 8,863,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,149.84 : 16,360,123.38 = 6,422,641.84 : x
  2. Step 2: Convert to fraction form
    11,855,149.84/16,360,123.38 = 6,422,641.84/x
  3. Step 3: Cross multiply
    11,855,149.84x = 16,360,123.38 × 6,422,641.84
  4. Step 4: Simplify right side
    11,855,149.84x = 105,075,212,927,950.22
  5. Step 5: Solve for x
    x = 105,075,212,927,950.22/11,855,149.84
  6. Step 6: Final answer
    x = 8,863,254.73

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Double scale
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1.5x scale

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.