Home / 7,009,783.20-9,673,570.80-4,110,890.40

Finding the Fourth Proportional to 7,009,783.20, 9,673,570.80 and 4,110,890.40

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Solution

The fourth proportional to 7,009,783.20, 9,673,570.80 and 4,110,890.40 is: 5,673,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,783.20 : 9,673,570.80 = 4,110,890.40 : x
  2. Step 2: Convert to fraction form
    7,009,783.20/9,673,570.80 = 4,110,890.40/x
  3. Step 3: Cross multiply
    7,009,783.20x = 9,673,570.80 × 4,110,890.40
  4. Step 4: Simplify right side
    7,009,783.20x = 39,766,989,335,440.32
  5. Step 5: Solve for x
    x = 39,766,989,335,440.32/7,009,783.20
  6. Step 6: Final answer
    x = 5,673,069.79

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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.