Home / 12,225,250.48-16,869,750.10-6,718,561.88

Finding the Fourth Proportional to 12,225,250.48, 16,869,750.10 and 6,718,561.88

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Solution

The fourth proportional to 12,225,250.48, 16,869,750.10 and 6,718,561.88 is: 9,271,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,250.48 : 16,869,750.10 = 6,718,561.88 : x
  2. Step 2: Convert to fraction form
    12,225,250.48/16,869,750.10 = 6,718,561.88/x
  3. Step 3: Cross multiply
    12,225,250.48x = 16,869,750.10 × 6,718,561.88
  4. Step 4: Simplify right side
    12,225,250.48x = 113,340,459,946,986.20
  5. Step 5: Solve for x
    x = 113,340,459,946,986.20/12,225,250.48
  6. Step 6: Final answer
    x = 9,271,013.31

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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.