Home / 13,803,847.47-19,050,161.78-7,608,880.21

Finding the Fourth Proportional to 13,803,847.47, 19,050,161.78 and 7,608,880.21

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Solution

The fourth proportional to 13,803,847.47, 19,050,161.78 and 7,608,880.21 is: 10,500,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803,847.47 : 19,050,161.78 = 7,608,880.21 : x
  2. Step 2: Convert to fraction form
    13,803,847.47/19,050,161.78 = 7,608,880.21/x
  3. Step 3: Cross multiply
    13,803,847.47x = 19,050,161.78 × 7,608,880.21
  4. Step 4: Simplify right side
    13,803,847.47x = 144,950,398,927,095.97
  5. Step 5: Solve for x
    x = 144,950,398,927,095.97/13,803,847.47
  6. Step 6: Final answer
    x = 10,500,724.47

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1.5x scale

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.