Home / 19,152,187.60-28,728,281.40-9,074,491.60

Finding the Fourth Proportional to 19,152,187.60, 28,728,281.40 and 9,074,491.60

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Solution

The fourth proportional to 19,152,187.60, 28,728,281.40 and 9,074,491.60 is: 13,611,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,187.60 : 28,728,281.40 = 9,074,491.60 : x
  2. Step 2: Convert to fraction form
    19,152,187.60/28,728,281.40 = 9,074,491.60/x
  3. Step 3: Cross multiply
    19,152,187.60x = 28,728,281.40 × 9,074,491.60
  4. Step 4: Simplify right side
    19,152,187.60x = 260,694,548,246,736.22
  5. Step 5: Solve for x
    x = 260,694,548,246,736.22/19,152,187.60
  6. Step 6: Final answer
    x = 13,611,737.40

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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.