Home / 13,437,295.20-20,155,942.80-7,369,682.40

Finding the Fourth Proportional to 13,437,295.20, 20,155,942.80 and 7,369,682.40

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Solution

The fourth proportional to 13,437,295.20, 20,155,942.80 and 7,369,682.40 is: 11,054,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,295.20 : 20,155,942.80 = 7,369,682.40 : x
  2. Step 2: Convert to fraction form
    13,437,295.20/20,155,942.80 = 7,369,682.40/x
  3. Step 3: Cross multiply
    13,437,295.20x = 20,155,942.80 × 7,369,682.40
  4. Step 4: Simplify right side
    13,437,295.20x = 148,542,896,908,566.72
  5. Step 5: Solve for x
    x = 148,542,896,908,566.72/13,437,295.20
  6. Step 6: Final answer
    x = 11,054,523.60

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1.5x scale

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.