Home / 19,090,855.26-28,636,428.12-5,443,989.96

Finding the Fourth Proportional to 19,090,855.26, 28,636,428.12 and 5,443,989.96

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Solution

The fourth proportional to 19,090,855.26, 28,636,428.12 and 5,443,989.96 is: 8,166,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090,855.26 : 28,636,428.12 = 5,443,989.96 : x
  2. Step 2: Convert to fraction form
    19,090,855.26/28,636,428.12 = 5,443,989.96/x
  3. Step 3: Cross multiply
    19,090,855.26x = 28,636,428.12 × 5,443,989.96
  4. Step 4: Simplify right side
    19,090,855.26x = 155,896,427,175,541.69
  5. Step 5: Solve for x
    x = 155,896,427,175,541.69/19,090,855.26
  6. Step 6: Final answer
    x = 8,166,026.35

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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.