Home / 12,178,263.78-16,806,002.60-7,283,485.13

Finding the Fourth Proportional to 12,178,263.78, 16,806,002.60 and 7,283,485.13

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Solution

The fourth proportional to 12,178,263.78, 16,806,002.60 and 7,283,485.13 is: 10,051,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,263.78 : 16,806,002.60 = 7,283,485.13 : x
  2. Step 2: Convert to fraction form
    12,178,263.78/16,806,002.60 = 7,283,485.13/x
  3. Step 3: Cross multiply
    12,178,263.78x = 16,806,002.60 × 7,283,485.13
  4. Step 4: Simplify right side
    12,178,263.78x = 122,406,269,966,020.03
  5. Step 5: Solve for x
    x = 122,406,269,966,020.03/12,178,263.78
  6. Step 6: Final answer
    x = 10,051,208.63

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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.