Home / 13,555,213-20,333,473.42-4,457,109.16

Finding the Fourth Proportional to 13,555,213, 20,333,473.42 and 4,457,109.16

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Solution

The fourth proportional to 13,555,213, 20,333,473.42 and 4,457,109.16 is: 6,685,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,213 : 20,333,473.42 = 4,457,109.16 : x
  2. Step 2: Convert to fraction form
    13,555,213/20,333,473.42 = 4,457,109.16/x
  3. Step 3: Cross multiply
    13,555,213x = 20,333,473.42 × 4,457,109.16
  4. Step 4: Simplify right side
    13,555,213x = 90,628,510,634,898.53
  5. Step 5: Solve for x
    x = 90,628,510,634,898.53/13,555,213
  6. Step 6: Final answer
    x = 6,685,878.76

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1.5x scale

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.