Home / 12,196,356.36-16,834,740.58-7,845,442.66

Finding the Fourth Proportional to 12,196,356.36, 16,834,740.58 and 7,845,442.66

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Solution

The fourth proportional to 12,196,356.36, 16,834,740.58 and 7,845,442.66 is: 10,829,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,356.36 : 16,834,740.58 = 7,845,442.66 : x
  2. Step 2: Convert to fraction form
    12,196,356.36/16,834,740.58 = 7,845,442.66/x
  3. Step 3: Cross multiply
    12,196,356.36x = 16,834,740.58 × 7,845,442.66
  4. Step 4: Simplify right side
    12,196,356.36x = 132,075,991,916,365.12
  5. Step 5: Solve for x
    x = 132,075,991,916,365.12/12,196,356.36
  6. Step 6: Final answer
    x = 10,829,135.20

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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.