Home / 12,262,621.68-16,921,605.66-7,368,050.07

Finding the Fourth Proportional to 12,262,621.68, 16,921,605.66 and 7,368,050.07

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Solution

The fourth proportional to 12,262,621.68, 16,921,605.66 and 7,368,050.07 is: 10,167,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262,621.68 : 16,921,605.66 = 7,368,050.07 : x
  2. Step 2: Convert to fraction form
    12,262,621.68/16,921,605.66 = 7,368,050.07/x
  3. Step 3: Cross multiply
    12,262,621.68x = 16,921,605.66 × 7,368,050.07
  4. Step 4: Simplify right side
    12,262,621.68x = 124,679,237,767,675.41
  5. Step 5: Solve for x
    x = 124,679,237,767,675.41/12,262,621.68
  6. Step 6: Final answer
    x = 10,167,421.05

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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.