Home / 28,956,769.84-43,369,003.20-13,821,330.16

Finding the Fourth Proportional to 28,956,769.84, 43,369,003.20 and 13,821,330.16

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Solution

The fourth proportional to 28,956,769.84, 43,369,003.20 and 13,821,330.16 is: 20,700,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956,769.84 : 43,369,003.20 = 13,821,330.16 : x
  2. Step 2: Convert to fraction form
    28,956,769.84/43,369,003.20 = 13,821,330.16/x
  3. Step 3: Cross multiply
    28,956,769.84x = 43,369,003.20 × 13,821,330.16
  4. Step 4: Simplify right side
    28,956,769.84x = 599,417,311,937,296.50
  5. Step 5: Solve for x
    x = 599,417,311,937,296.50/28,956,769.84
  6. Step 6: Final answer
    x = 20,700,420.50

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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.