Home / 19,211,457.52-28,815,056.46-4,834,529.20

Finding the Fourth Proportional to 19,211,457.52, 28,815,056.46 and 4,834,529.20

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Solution

The fourth proportional to 19,211,457.52, 28,815,056.46 and 4,834,529.20 is: 7,251,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,457.52 : 28,815,056.46 = 4,834,529.20 : x
  2. Step 2: Convert to fraction form
    19,211,457.52/28,815,056.46 = 4,834,529.20/x
  3. Step 3: Cross multiply
    19,211,457.52x = 28,815,056.46 × 4,834,529.20
  4. Step 4: Simplify right side
    19,211,457.52x = 139,307,231,855,518.64
  5. Step 5: Solve for x
    x = 139,307,231,855,518.64/19,211,457.52
  6. Step 6: Final answer
    x = 7,251,257.83

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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.