Home / 26,299,089.60-39,448,634.40-12,143,313.60

Finding the Fourth Proportional to 26,299,089.60, 39,448,634.40 and 12,143,313.60

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Solution

The fourth proportional to 26,299,089.60, 39,448,634.40 and 12,143,313.60 is: 18,214,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299,089.60 : 39,448,634.40 = 12,143,313.60 : x
  2. Step 2: Convert to fraction form
    26,299,089.60/39,448,634.40 = 12,143,313.60/x
  3. Step 3: Cross multiply
    26,299,089.60x = 39,448,634.40 × 12,143,313.60
  4. Step 4: Simplify right side
    26,299,089.60x = 479,037,138,610,947.81
  5. Step 5: Solve for x
    x = 479,037,138,610,947.81/26,299,089.60
  6. Step 6: Final answer
    x = 18,214,970.40

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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.