Home / 6,912,030.30-10,368,045.45-6,870,039.90

Finding the Fourth Proportional to 6,912,030.30, 10,368,045.45 and 6,870,039.90

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Solution

The fourth proportional to 6,912,030.30, 10,368,045.45 and 6,870,039.90 is: 10,305,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,030.30 : 10,368,045.45 = 6,870,039.90 : x
  2. Step 2: Convert to fraction form
    6,912,030.30/10,368,045.45 = 6,870,039.90/x
  3. Step 3: Cross multiply
    6,912,030.30x = 10,368,045.45 × 6,870,039.90
  4. Step 4: Simplify right side
    6,912,030.30x = 71,228,885,926,513.45
  5. Step 5: Solve for x
    x = 71,228,885,926,513.45/6,912,030.30
  6. Step 6: Final answer
    x = 10,305,059.85

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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.