Home / 13,582,153-18,746,033.70-7,784,820.40

Finding the Fourth Proportional to 13,582,153, 18,746,033.70 and 7,784,820.40

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Solution

The fourth proportional to 13,582,153, 18,746,033.70 and 7,784,820.40 is: 10,744,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,153 : 18,746,033.70 = 7,784,820.40 : x
  2. Step 2: Convert to fraction form
    13,582,153/18,746,033.70 = 7,784,820.40/x
  3. Step 3: Cross multiply
    13,582,153x = 18,746,033.70 × 7,784,820.40
  4. Step 4: Simplify right side
    13,582,153x = 145,934,505,566,847.47
  5. Step 5: Solve for x
    x = 145,934,505,566,847.47/13,582,153
  6. Step 6: Final answer
    x = 10,744,578.24

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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.