Home / 11,733,521.60-16,191,970.80-6,506,500.88

Finding the Fourth Proportional to 11,733,521.60, 16,191,970.80 and 6,506,500.88

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Solution

The fourth proportional to 11,733,521.60, 16,191,970.80 and 6,506,500.88 is: 8,978,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733,521.60 : 16,191,970.80 = 6,506,500.88 : x
  2. Step 2: Convert to fraction form
    11,733,521.60/16,191,970.80 = 6,506,500.88/x
  3. Step 3: Cross multiply
    11,733,521.60x = 16,191,970.80 × 6,506,500.88
  4. Step 4: Simplify right side
    11,733,521.60x = 105,353,072,259,134.31
  5. Step 5: Solve for x
    x = 105,353,072,259,134.31/11,733,521.60
  6. Step 6: Final answer
    x = 8,978,810.95

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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.