Home / 12,129,968.04-16,739,289.36-6,623,303.88

Finding the Fourth Proportional to 12,129,968.04, 16,739,289.36 and 6,623,303.88

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Solution

The fourth proportional to 12,129,968.04, 16,739,289.36 and 6,623,303.88 is: 9,140,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,968.04 : 16,739,289.36 = 6,623,303.88 : x
  2. Step 2: Convert to fraction form
    12,129,968.04/16,739,289.36 = 6,623,303.88/x
  3. Step 3: Cross multiply
    12,129,968.04x = 16,739,289.36 × 6,623,303.88
  4. Step 4: Simplify right side
    12,129,968.04x = 110,869,400,166,530.72
  5. Step 5: Solve for x
    x = 110,869,400,166,530.72/12,129,968.04
  6. Step 6: Final answer
    x = 9,140,123.02

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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.