Home / 28,440,914.49-39,248,461.36-15,388,173.40

Finding the Fourth Proportional to 28,440,914.49, 39,248,461.36 and 15,388,173.40

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Solution

The fourth proportional to 28,440,914.49, 39,248,461.36 and 15,388,173.40 is: 21,235,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440,914.49 : 39,248,461.36 = 15,388,173.40 : x
  2. Step 2: Convert to fraction form
    28,440,914.49/39,248,461.36 = 15,388,173.40/x
  3. Step 3: Cross multiply
    28,440,914.49x = 39,248,461.36 × 15,388,173.40
  4. Step 4: Simplify right side
    28,440,914.49x = 603,962,129,090,879.88
  5. Step 5: Solve for x
    x = 603,962,129,090,879.88/28,440,914.49
  6. Step 6: Final answer
    x = 21,235,678.95

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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.