Home / 28,611,200.87-39,484,495.50-16,390,419.83

Finding the Fourth Proportional to 28,611,200.87, 39,484,495.50 and 16,390,419.83

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Solution

The fourth proportional to 28,611,200.87, 39,484,495.50 and 16,390,419.83 is: 22,619,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,200.87 : 39,484,495.50 = 16,390,419.83 : x
  2. Step 2: Convert to fraction form
    28,611,200.87/39,484,495.50 = 16,390,419.83/x
  3. Step 3: Cross multiply
    28,611,200.87x = 39,484,495.50 × 16,390,419.83
  4. Step 4: Simplify right side
    28,611,200.87x = 647,167,457,938,793.62
  5. Step 5: Solve for x
    x = 647,167,457,938,793.62/28,611,200.87
  6. Step 6: Final answer
    x = 22,619,374.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.