Home / 7,147,407.44-9,859,430.76-4,392,182.72

Finding the Fourth Proportional to 7,147,407.44, 9,859,430.76 and 4,392,182.72

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Solution

The fourth proportional to 7,147,407.44, 9,859,430.76 and 4,392,182.72 is: 6,058,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,407.44 : 9,859,430.76 = 4,392,182.72 : x
  2. Step 2: Convert to fraction form
    7,147,407.44/9,859,430.76 = 4,392,182.72/x
  3. Step 3: Cross multiply
    7,147,407.44x = 9,859,430.76 × 4,392,182.72
  4. Step 4: Simplify right side
    7,147,407.44x = 43,304,421,413,108.46
  5. Step 5: Solve for x
    x = 43,304,421,413,108.46/7,147,407.44
  6. Step 6: Final answer
    x = 6,058,759.32

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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.