Home / 28,956,768.84-43,369,001.70-13,821,329.16

Finding the Fourth Proportional to 28,956,768.84, 43,369,001.70 and 13,821,329.16

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Solution

The fourth proportional to 28,956,768.84, 43,369,001.70 and 13,821,329.16 is: 20,700,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956,768.84 : 43,369,001.70 = 13,821,329.16 : x
  2. Step 2: Convert to fraction form
    28,956,768.84/43,369,001.70 = 13,821,329.16/x
  3. Step 3: Cross multiply
    28,956,768.84x = 43,369,001.70 × 13,821,329.16
  4. Step 4: Simplify right side
    28,956,768.84x = 599,417,247,836,299.62
  5. Step 5: Solve for x
    x = 599,417,247,836,299.62/28,956,768.84
  6. Step 6: Final answer
    x = 20,700,419.00

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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.