Home / 7,486,271.20-11,229,406.80-3,698,970.40

Finding the Fourth Proportional to 7,486,271.20, 11,229,406.80 and 3,698,970.40

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Solution

The fourth proportional to 7,486,271.20, 11,229,406.80 and 3,698,970.40 is: 5,548,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486,271.20 : 11,229,406.80 = 3,698,970.40 : x
  2. Step 2: Convert to fraction form
    7,486,271.20/11,229,406.80 = 3,698,970.40/x
  3. Step 3: Cross multiply
    7,486,271.20x = 11,229,406.80 × 3,698,970.40
  4. Step 4: Simplify right side
    7,486,271.20x = 41,537,243,362,758.72
  5. Step 5: Solve for x
    x = 41,537,243,362,758.72/7,486,271.20
  6. Step 6: Final answer
    x = 5,548,455.60

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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.