Home / 11,010,420.80-16,515,631.20-7,184,045.60

Finding the Fourth Proportional to 11,010,420.80, 16,515,631.20 and 7,184,045.60

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Solution

The fourth proportional to 11,010,420.80, 16,515,631.20 and 7,184,045.60 is: 10,776,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010,420.80 : 16,515,631.20 = 7,184,045.60 : x
  2. Step 2: Convert to fraction form
    11,010,420.80/16,515,631.20 = 7,184,045.60/x
  3. Step 3: Cross multiply
    11,010,420.80x = 16,515,631.20 × 7,184,045.60
  4. Step 4: Simplify right side
    11,010,420.80x = 118,649,047,653,582.70
  5. Step 5: Solve for x
    x = 118,649,047,653,582.70/11,010,420.80
  6. Step 6: Final answer
    x = 10,776,068.40

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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.