Home / 13,106,039.60-19,659,059.40-7,366,476.80

Finding the Fourth Proportional to 13,106,039.60, 19,659,059.40 and 7,366,476.80

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Solution

The fourth proportional to 13,106,039.60, 19,659,059.40 and 7,366,476.80 is: 11,049,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,039.60 : 19,659,059.40 = 7,366,476.80 : x
  2. Step 2: Convert to fraction form
    13,106,039.60/19,659,059.40 = 7,366,476.80/x
  3. Step 3: Cross multiply
    13,106,039.60x = 19,659,059.40 × 7,366,476.80
  4. Step 4: Simplify right side
    13,106,039.60x = 144,818,004,979,921.91
  5. Step 5: Solve for x
    x = 144,818,004,979,921.91/13,106,039.60
  6. Step 6: Final answer
    x = 11,049,715.20

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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.