Home / 30,501,071.70-45,759,357.72-8,641,427.15

Finding the Fourth Proportional to 30,501,071.70, 45,759,357.72 and 8,641,427.15

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Solution

The fourth proportional to 30,501,071.70, 45,759,357.72 and 8,641,427.15 is: 12,964,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,071.70 : 45,759,357.72 = 8,641,427.15 : x
  2. Step 2: Convert to fraction form
    30,501,071.70/45,759,357.72 = 8,641,427.15/x
  3. Step 3: Cross multiply
    30,501,071.70x = 45,759,357.72 × 8,641,427.15
  4. Step 4: Simplify right side
    30,501,071.70x = 395,426,155,939,373.25
  5. Step 5: Solve for x
    x = 395,426,155,939,373.25/30,501,071.70
  6. Step 6: Final answer
    x = 12,964,336.46

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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.