Home / 8,997,302.80-12,415,969-5,131,069.20

Finding the Fourth Proportional to 8,997,302.80, 12,415,969 and 5,131,069.20

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Solution

The fourth proportional to 8,997,302.80, 12,415,969 and 5,131,069.20 is: 7,080,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997,302.80 : 12,415,969 = 5,131,069.20 : x
  2. Step 2: Convert to fraction form
    8,997,302.80/12,415,969 = 5,131,069.20/x
  3. Step 3: Cross multiply
    8,997,302.80x = 12,415,969 × 5,131,069.20
  4. Step 4: Simplify right side
    8,997,302.80x = 63,707,196,124,054.80
  5. Step 5: Solve for x
    x = 63,707,196,124,054.80/8,997,302.80
  6. Step 6: Final answer
    x = 7,080,699.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.