Home / 28,990,929.75-40,006,463.67-15,938,093.63

Finding the Fourth Proportional to 28,990,929.75, 40,006,463.67 and 15,938,093.63

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Solution

The fourth proportional to 28,990,929.75, 40,006,463.67 and 15,938,093.63 is: 21,994,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,929.75 : 40,006,463.67 = 15,938,093.63 : x
  2. Step 2: Convert to fraction form
    28,990,929.75/40,006,463.67 = 15,938,093.63/x
  3. Step 3: Cross multiply
    28,990,929.75x = 40,006,463.67 × 15,938,093.63
  4. Step 4: Simplify right side
    28,990,929.75x = 637,626,763,777,653.50
  5. Step 5: Solve for x
    x = 637,626,763,777,653.50/28,990,929.75
  6. Step 6: Final answer
    x = 21,994,008.79

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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.