Home / 14,380,205.40-21,570,308.10-12,812,563.80

Finding the Fourth Proportional to 14,380,205.40, 21,570,308.10 and 12,812,563.80

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Solution

The fourth proportional to 14,380,205.40, 21,570,308.10 and 12,812,563.80 is: 19,218,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380,205.40 : 21,570,308.10 = 12,812,563.80 : x
  2. Step 2: Convert to fraction form
    14,380,205.40/21,570,308.10 = 12,812,563.80/x
  3. Step 3: Cross multiply
    14,380,205.40x = 21,570,308.10 × 12,812,563.80
  4. Step 4: Simplify right side
    14,380,205.40x = 276,370,948,716,906.81
  5. Step 5: Solve for x
    x = 276,370,948,716,906.81/14,380,205.40
  6. Step 6: Final answer
    x = 19,218,845.70

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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.