Home / 28,441,477.50-39,248,959.52-15,388,450.01

Finding the Fourth Proportional to 28,441,477.50, 39,248,959.52 and 15,388,450.01

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Solution

The fourth proportional to 28,441,477.50, 39,248,959.52 and 15,388,450.01 is: 21,235,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441,477.50 : 39,248,959.52 = 15,388,450.01 : x
  2. Step 2: Convert to fraction form
    28,441,477.50/39,248,959.52 = 15,388,450.01/x
  3. Step 3: Cross multiply
    28,441,477.50x = 39,248,959.52 × 15,388,450.01
  4. Step 4: Simplify right side
    28,441,477.50x = 603,980,651,518,033.62
  5. Step 5: Solve for x
    x = 603,980,651,518,033.62/28,441,477.50
  6. Step 6: Final answer
    x = 21,235,909.83

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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.