Home / 12,879,338.04-17,773,912.62-7,078,325.40

Finding the Fourth Proportional to 12,879,338.04, 17,773,912.62 and 7,078,325.40

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Solution

The fourth proportional to 12,879,338.04, 17,773,912.62 and 7,078,325.40 is: 9,768,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,338.04 : 17,773,912.62 = 7,078,325.40 : x
  2. Step 2: Convert to fraction form
    12,879,338.04/17,773,912.62 = 7,078,325.40/x
  3. Step 3: Cross multiply
    12,879,338.04x = 17,773,912.62 × 7,078,325.40
  4. Step 4: Simplify right side
    12,879,338.04x = 125,809,537,155,526.56
  5. Step 5: Solve for x
    x = 125,809,537,155,526.56/12,879,338.04
  6. Step 6: Final answer
    x = 9,768,323.24

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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.