Home / 28,534,280.64-42,816,097.44-18,956,276.16

Finding the Fourth Proportional to 28,534,280.64, 42,816,097.44 and 18,956,276.16

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Solution

The fourth proportional to 28,534,280.64, 42,816,097.44 and 18,956,276.16 is: 28,444,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,280.64 : 42,816,097.44 = 18,956,276.16 : x
  2. Step 2: Convert to fraction form
    28,534,280.64/42,816,097.44 = 18,956,276.16/x
  3. Step 3: Cross multiply
    28,534,280.64x = 42,816,097.44 × 18,956,276.16
  4. Step 4: Simplify right side
    28,534,280.64x = 811,633,767,166,109
  5. Step 5: Solve for x
    x = 811,633,767,166,109/28,534,280.64
  6. Step 6: Final answer
    x = 28,444,164.32

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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.