Home / 12,596,421.12-18,897,629.80-4,076,757.60

Finding the Fourth Proportional to 12,596,421.12, 18,897,629.80 and 4,076,757.60

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Solution

The fourth proportional to 12,596,421.12, 18,897,629.80 and 4,076,757.60 is: 6,116,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,421.12 : 18,897,629.80 = 4,076,757.60 : x
  2. Step 2: Convert to fraction form
    12,596,421.12/18,897,629.80 = 4,076,757.60/x
  3. Step 3: Cross multiply
    12,596,421.12x = 18,897,629.80 × 4,076,757.60
  4. Step 4: Simplify right side
    12,596,421.12x = 77,041,055,909,136.48
  5. Step 5: Solve for x
    x = 77,041,055,909,136.48/12,596,421.12
  6. Step 6: Final answer
    x = 6,116,106.72

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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.