Home / 7,455,409.67-11,181,802.30-1,990,572.34

Finding the Fourth Proportional to 7,455,409.67, 11,181,802.30 and 1,990,572.34

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Solution

The fourth proportional to 7,455,409.67, 11,181,802.30 and 1,990,572.34 is: 2,985,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455,409.67 : 11,181,802.30 = 1,990,572.34 : x
  2. Step 2: Convert to fraction form
    7,455,409.67/11,181,802.30 = 1,990,572.34/x
  3. Step 3: Cross multiply
    7,455,409.67x = 11,181,802.30 × 1,990,572.34
  4. Step 4: Simplify right side
    7,455,409.67x = 22,258,186,369,728.38
  5. Step 5: Solve for x
    x = 22,258,186,369,728.38/7,455,409.67
  6. Step 6: Final answer
    x = 2,985,508.16

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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.