Home / 7,240,973.60-10,868,458.80-3,650,794.40

Finding the Fourth Proportional to 7,240,973.60, 10,868,458.80 and 3,650,794.40

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Solution

The fourth proportional to 7,240,973.60, 10,868,458.80 and 3,650,794.40 is: 5,479,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,973.60 : 10,868,458.80 = 3,650,794.40 : x
  2. Step 2: Convert to fraction form
    7,240,973.60/10,868,458.80 = 3,650,794.40/x
  3. Step 3: Cross multiply
    7,240,973.60x = 10,868,458.80 × 3,650,794.40
  4. Step 4: Simplify right side
    7,240,973.60x = 39,678,508,523,670.72
  5. Step 5: Solve for x
    x = 39,678,508,523,670.72/7,240,973.60
  6. Step 6: Final answer
    x = 5,479,720.09

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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.