Home / 8,420,190.42-11,617,210.28-5,153,599.74

Finding the Fourth Proportional to 8,420,190.42, 11,617,210.28 and 5,153,599.74

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Solution

The fourth proportional to 8,420,190.42, 11,617,210.28 and 5,153,599.74 is: 7,110,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,190.42 : 11,617,210.28 = 5,153,599.74 : x
  2. Step 2: Convert to fraction form
    8,420,190.42/11,617,210.28 = 5,153,599.74/x
  3. Step 3: Cross multiply
    8,420,190.42x = 11,617,210.28 × 5,153,599.74
  4. Step 4: Simplify right side
    8,420,190.42x = 59,870,451,878,533.33
  5. Step 5: Solve for x
    x = 59,870,451,878,533.33/8,420,190.42
  6. Step 6: Final answer
    x = 7,110,344.17

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Double scale
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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.