Home / 7,432,879.80-11,153,006.10-4,240,457.40

Finding the Fourth Proportional to 7,432,879.80, 11,153,006.10 and 4,240,457.40

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Solution

The fourth proportional to 7,432,879.80, 11,153,006.10 and 4,240,457.40 is: 6,362,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,879.80 : 11,153,006.10 = 4,240,457.40 : x
  2. Step 2: Convert to fraction form
    7,432,879.80/11,153,006.10 = 4,240,457.40/x
  3. Step 3: Cross multiply
    7,432,879.80x = 11,153,006.10 × 4,240,457.40
  4. Step 4: Simplify right side
    7,432,879.80x = 47,293,847,248,990.14
  5. Step 5: Solve for x
    x = 47,293,847,248,990.14/7,432,879.80
  6. Step 6: Final answer
    x = 6,362,789.19

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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.