Home / 28,545,509.94-39,392,841.73-15,492,768.86

Finding the Fourth Proportional to 28,545,509.94, 39,392,841.73 and 15,492,768.86

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Solution

The fourth proportional to 28,545,509.94, 39,392,841.73 and 15,492,768.86 is: 21,380,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,509.94 : 39,392,841.73 = 15,492,768.86 : x
  2. Step 2: Convert to fraction form
    28,545,509.94/39,392,841.73 = 15,492,768.86/x
  3. Step 3: Cross multiply
    28,545,509.94x = 39,392,841.73 × 15,492,768.86
  4. Step 4: Simplify right side
    28,545,509.94x = 610,304,191,528,666.88
  5. Step 5: Solve for x
    x = 610,304,191,528,666.88/28,545,509.94
  6. Step 6: Final answer
    x = 21,380,041.65

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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.