Home / 28,545,531.36-42,808,698.48-10,345,916.80

Finding the Fourth Proportional to 28,545,531.36, 42,808,698.48 and 10,345,916.80

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Solution

The fourth proportional to 28,545,531.36, 42,808,698.48 and 10,345,916.80 is: 15,515,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,531.36 : 42,808,698.48 = 10,345,916.80 : x
  2. Step 2: Convert to fraction form
    28,545,531.36/42,808,698.48 = 10,345,916.80/x
  3. Step 3: Cross multiply
    28,545,531.36x = 42,808,698.48 × 10,345,916.80
  4. Step 4: Simplify right side
    28,545,531.36x = 442,895,232,790,366.44
  5. Step 5: Solve for x
    x = 442,895,232,790,366.44/28,545,531.36
  6. Step 6: Final answer
    x = 15,515,396.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.