Home / 7,171,302.80-9,896,109.72-3,908,047.52

Finding the Fourth Proportional to 7,171,302.80, 9,896,109.72 and 3,908,047.52

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Solution

The fourth proportional to 7,171,302.80, 9,896,109.72 and 3,908,047.52 is: 5,392,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,302.80 : 9,896,109.72 = 3,908,047.52 : x
  2. Step 2: Convert to fraction form
    7,171,302.80/9,896,109.72 = 3,908,047.52/x
  3. Step 3: Cross multiply
    7,171,302.80x = 9,896,109.72 × 3,908,047.52
  4. Step 4: Simplify right side
    7,171,302.80x = 38,674,467,048,893.90
  5. Step 5: Solve for x
    x = 38,674,467,048,893.90/7,171,302.80
  6. Step 6: Final answer
    x = 5,392,948.55

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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.