Home / 28,339,574.40-39,105,383.04-15,947,274.24

Finding the Fourth Proportional to 28,339,574.40, 39,105,383.04 and 15,947,274.24

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Solution

The fourth proportional to 28,339,574.40, 39,105,383.04 and 15,947,274.24 is: 22,005,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339,574.40 : 39,105,383.04 = 15,947,274.24 : x
  2. Step 2: Convert to fraction form
    28,339,574.40/39,105,383.04 = 15,947,274.24/x
  3. Step 3: Cross multiply
    28,339,574.40x = 39,105,383.04 × 15,947,274.24
  4. Step 4: Simplify right side
    28,339,574.40x = 623,624,267,599,124.88
  5. Step 5: Solve for x
    x = 623,624,267,599,124.88/28,339,574.40
  6. Step 6: Final answer
    x = 22,005,421.07

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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.