Home / 28,749,729.76-39,678,106.17-16,362,835

Finding the Fourth Proportional to 28,749,729.76, 39,678,106.17 and 16,362,835

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Solution

The fourth proportional to 28,749,729.76, 39,678,106.17 and 16,362,835 is: 22,582,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,729.76 : 39,678,106.17 = 16,362,835 : x
  2. Step 2: Convert to fraction form
    28,749,729.76/39,678,106.17 = 16,362,835/x
  3. Step 3: Cross multiply
    28,749,729.76x = 39,678,106.17 × 16,362,835
  4. Step 4: Simplify right side
    28,749,729.76x = 649,246,304,372,192
  5. Step 5: Solve for x
    x = 649,246,304,372,192/28,749,729.76
  6. Step 6: Final answer
    x = 22,582,692.42

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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.