Home / 11,018,779.20-16,528,168.80-5,979,931.20

Finding the Fourth Proportional to 11,018,779.20, 16,528,168.80 and 5,979,931.20

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Solution

The fourth proportional to 11,018,779.20, 16,528,168.80 and 5,979,931.20 is: 8,969,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,779.20 : 16,528,168.80 = 5,979,931.20 : x
  2. Step 2: Convert to fraction form
    11,018,779.20/16,528,168.80 = 5,979,931.20/x
  3. Step 3: Cross multiply
    11,018,779.20x = 16,528,168.80 × 5,979,931.20
  4. Step 4: Simplify right side
    11,018,779.20x = 98,837,312,285,986.56
  5. Step 5: Solve for x
    x = 98,837,312,285,986.56/11,018,779.20
  6. Step 6: Final answer
    x = 8,969,896.80

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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.