Home / 12,756,670.84-17,606,225.24-7,603,021.77

Finding the Fourth Proportional to 12,756,670.84, 17,606,225.24 and 7,603,021.77

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Solution

The fourth proportional to 12,756,670.84, 17,606,225.24 and 7,603,021.77 is: 10,493,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,670.84 : 17,606,225.24 = 7,603,021.77 : x
  2. Step 2: Convert to fraction form
    12,756,670.84/17,606,225.24 = 7,603,021.77/x
  3. Step 3: Cross multiply
    12,756,670.84x = 17,606,225.24 × 7,603,021.77
  4. Step 4: Simplify right side
    12,756,670.84x = 133,860,513,787,243.45
  5. Step 5: Solve for x
    x = 133,860,513,787,243.45/12,756,670.84
  6. Step 6: Final answer
    x = 10,493,373.66

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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.