Home / 12,603,670.80-18,905,506.20-4,084,868.40

Finding the Fourth Proportional to 12,603,670.80, 18,905,506.20 and 4,084,868.40

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Solution

The fourth proportional to 12,603,670.80, 18,905,506.20 and 4,084,868.40 is: 6,127,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,670.80 : 18,905,506.20 = 4,084,868.40 : x
  2. Step 2: Convert to fraction form
    12,603,670.80/18,905,506.20 = 4,084,868.40/x
  3. Step 3: Cross multiply
    12,603,670.80x = 18,905,506.20 × 4,084,868.40
  4. Step 4: Simplify right side
    12,603,670.80x = 77,226,504,862,384.08
  5. Step 5: Solve for x
    x = 77,226,504,862,384.08/12,603,670.80
  6. Step 6: Final answer
    x = 6,127,302.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.