Home / 13,979,979.63-20,971,182.02-4,266,782.01

Finding the Fourth Proportional to 13,979,979.63, 20,971,182.02 and 4,266,782.01

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Solution

The fourth proportional to 13,979,979.63, 20,971,182.02 and 4,266,782.01 is: 6,400,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,979.63 : 20,971,182.02 = 4,266,782.01 : x
  2. Step 2: Convert to fraction form
    13,979,979.63/20,971,182.02 = 4,266,782.01/x
  3. Step 3: Cross multiply
    13,979,979.63x = 20,971,182.02 × 4,266,782.01
  4. Step 4: Simplify right side
    13,979,979.63x = 89,479,462,150,037.55
  5. Step 5: Solve for x
    x = 89,479,462,150,037.55/13,979,979.63
  6. Step 6: Final answer
    x = 6,400,543.10

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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.