Home / 28,318,684.31-42,460,941.39-10,812,384.62

Finding the Fourth Proportional to 28,318,684.31, 42,460,941.39 and 10,812,384.62

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Solution

The fourth proportional to 28,318,684.31, 42,460,941.39 and 10,812,384.62 is: 16,212,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318,684.31 : 42,460,941.39 = 10,812,384.62 : x
  2. Step 2: Convert to fraction form
    28,318,684.31/42,460,941.39 = 10,812,384.62/x
  3. Step 3: Cross multiply
    28,318,684.31x = 42,460,941.39 × 10,812,384.62
  4. Step 4: Simplify right side
    28,318,684.31x = 459,104,029,635,957.38
  5. Step 5: Solve for x
    x = 459,104,029,635,957.38/28,318,684.31
  6. Step 6: Final answer
    x = 16,212,053.66

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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.