Home / 10,992,316.70-16,488,475.05-7,803,670.70

Finding the Fourth Proportional to 10,992,316.70, 16,488,475.05 and 7,803,670.70

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Solution

The fourth proportional to 10,992,316.70, 16,488,475.05 and 7,803,670.70 is: 11,705,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,316.70 : 16,488,475.05 = 7,803,670.70 : x
  2. Step 2: Convert to fraction form
    10,992,316.70/16,488,475.05 = 7,803,670.70/x
  3. Step 3: Cross multiply
    10,992,316.70x = 16,488,475.05 × 7,803,670.70
  4. Step 4: Simplify right side
    10,992,316.70x = 128,670,629,635,366.05
  5. Step 5: Solve for x
    x = 128,670,629,635,366.05/10,992,316.70
  6. Step 6: Final answer
    x = 11,705,506.05

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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.