Home / 28,545,590.28-39,392,953.56-15,492,849.42

Finding the Fourth Proportional to 28,545,590.28, 39,392,953.56 and 15,492,849.42

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Solution

The fourth proportional to 28,545,590.28, 39,392,953.56 and 15,492,849.42 is: 21,380,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,590.28 : 39,392,953.56 = 15,492,849.42 : x
  2. Step 2: Convert to fraction form
    28,545,590.28/39,392,953.56 = 15,492,849.42/x
  3. Step 3: Cross multiply
    28,545,590.28x = 39,392,953.56 × 15,492,849.42
  4. Step 4: Simplify right side
    28,545,590.28x = 610,309,097,714,133
  5. Step 5: Solve for x
    x = 610,309,097,714,133/28,545,590.28
  6. Step 6: Final answer
    x = 21,380,153.35

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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.