Home / 7,261,707.80-10,892,561.70-1,870,347.80

Finding the Fourth Proportional to 7,261,707.80, 10,892,561.70 and 1,870,347.80

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Solution

The fourth proportional to 7,261,707.80, 10,892,561.70 and 1,870,347.80 is: 2,805,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,707.80 : 10,892,561.70 = 1,870,347.80 : x
  2. Step 2: Convert to fraction form
    7,261,707.80/10,892,561.70 = 1,870,347.80/x
  3. Step 3: Cross multiply
    7,261,707.80x = 10,892,561.70 × 1,870,347.80
  4. Step 4: Simplify right side
    7,261,707.80x = 20,372,878,811,959.26
  5. Step 5: Solve for x
    x = 20,372,878,811,959.26/7,261,707.80
  6. Step 6: Final answer
    x = 2,805,521.70

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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.