Home / 15,999,907.20-23,980,673.70-8,210,811.12

Finding the Fourth Proportional to 15,999,907.20, 23,980,673.70 and 8,210,811.12

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Solution

The fourth proportional to 15,999,907.20, 23,980,673.70 and 8,210,811.12 is: 12,306,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,907.20 : 23,980,673.70 = 8,210,811.12 : x
  2. Step 2: Convert to fraction form
    15,999,907.20/23,980,673.70 = 8,210,811.12/x
  3. Step 3: Cross multiply
    15,999,907.20x = 23,980,673.70 × 8,210,811.12
  4. Step 4: Simplify right side
    15,999,907.20x = 196,900,782,281,051.53
  5. Step 5: Solve for x
    x = 196,900,782,281,051.53/15,999,907.20
  6. Step 6: Final answer
    x = 12,306,370.27

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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.