Home / 19,010,318.40-28,515,477.60-8,775,158.40

Finding the Fourth Proportional to 19,010,318.40, 28,515,477.60 and 8,775,158.40

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Solution

The fourth proportional to 19,010,318.40, 28,515,477.60 and 8,775,158.40 is: 13,162,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,318.40 : 28,515,477.60 = 8,775,158.40 : x
  2. Step 2: Convert to fraction form
    19,010,318.40/28,515,477.60 = 8,775,158.40/x
  3. Step 3: Cross multiply
    19,010,318.40x = 28,515,477.60 × 8,775,158.40
  4. Step 4: Simplify right side
    19,010,318.40x = 250,227,832,791,651.88
  5. Step 5: Solve for x
    x = 250,227,832,791,651.88/19,010,318.40
  6. Step 6: Final answer
    x = 13,162,737.60

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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.