Home / 30,501,071.45-45,759,357.35-8,641,426.90

Finding the Fourth Proportional to 30,501,071.45, 45,759,357.35 and 8,641,426.90

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Solution

The fourth proportional to 30,501,071.45, 45,759,357.35 and 8,641,426.90 is: 12,964,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,071.45 : 45,759,357.35 = 8,641,426.90 : x
  2. Step 2: Convert to fraction form
    30,501,071.45/45,759,357.35 = 8,641,426.90/x
  3. Step 3: Cross multiply
    30,501,071.45x = 45,759,357.35 × 8,641,426.90
  4. Step 4: Simplify right side
    30,501,071.45x = 395,426,141,531,002.75
  5. Step 5: Solve for x
    x = 395,426,141,531,002.75/30,501,071.45
  6. Step 6: Final answer
    x = 12,964,336.09

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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.