Home / 19,119,946.46-28,688,396.13-10,019,880.45

Finding the Fourth Proportional to 19,119,946.46, 28,688,396.13 and 10,019,880.45

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Solution

The fourth proportional to 19,119,946.46, 28,688,396.13 and 10,019,880.45 is: 15,034,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,946.46 : 28,688,396.13 = 10,019,880.45 : x
  2. Step 2: Convert to fraction form
    19,119,946.46/28,688,396.13 = 10,019,880.45/x
  3. Step 3: Cross multiply
    19,119,946.46x = 28,688,396.13 × 10,019,880.45
  4. Step 4: Simplify right side
    19,119,946.46x = 287,454,299,524,842.62
  5. Step 5: Solve for x
    x = 287,454,299,524,842.62/19,119,946.46
  6. Step 6: Final answer
    x = 15,034,262.79

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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.