Home / 6,985,152-10,477,730.40-3,142,485.60

Finding the Fourth Proportional to 6,985,152, 10,477,730.40 and 3,142,485.60

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Solution

The fourth proportional to 6,985,152, 10,477,730.40 and 3,142,485.60 is: 4,713,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,152 : 10,477,730.40 = 3,142,485.60 : x
  2. Step 2: Convert to fraction form
    6,985,152/10,477,730.40 = 3,142,485.60/x
  3. Step 3: Cross multiply
    6,985,152x = 10,477,730.40 × 3,142,485.60
  4. Step 4: Simplify right side
    6,985,152x = 32,926,116,902,682.24
  5. Step 5: Solve for x
    x = 32,926,116,902,682.24/6,985,152
  6. Step 6: Final answer
    x = 4,713,729.48

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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.