Home / 12,140,815.08-16,754,122.44-6,634,068.96

Finding the Fourth Proportional to 12,140,815.08, 16,754,122.44 and 6,634,068.96

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Solution

The fourth proportional to 12,140,815.08, 16,754,122.44 and 6,634,068.96 is: 9,154,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,815.08 : 16,754,122.44 = 6,634,068.96 : x
  2. Step 2: Convert to fraction form
    12,140,815.08/16,754,122.44 = 6,634,068.96/x
  3. Step 3: Cross multiply
    12,140,815.08x = 16,754,122.44 × 6,634,068.96
  4. Step 4: Simplify right side
    12,140,815.08x = 111,148,003,631,243.45
  5. Step 5: Solve for x
    x = 111,148,003,631,243.45/12,140,815.08
  6. Step 6: Final answer
    x = 9,154,904.58

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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.