Home / 8,749,364.80-13,125,890.40-3,698,075.20

Finding the Fourth Proportional to 8,749,364.80, 13,125,890.40 and 3,698,075.20

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Solution

The fourth proportional to 8,749,364.80, 13,125,890.40 and 3,698,075.20 is: 5,547,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,364.80 : 13,125,890.40 = 3,698,075.20 : x
  2. Step 2: Convert to fraction form
    8,749,364.80/13,125,890.40 = 3,698,075.20/x
  3. Step 3: Cross multiply
    8,749,364.80x = 13,125,890.40 × 3,698,075.20
  4. Step 4: Simplify right side
    8,749,364.80x = 48,540,529,766,158.09
  5. Step 5: Solve for x
    x = 48,540,529,766,158.09/8,749,364.80
  6. Step 6: Final answer
    x = 5,547,891.86

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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.