Home / 7,005,883.76-9,668,123.74-3,908,407.13

Finding the Fourth Proportional to 7,005,883.76, 9,668,123.74 and 3,908,407.13

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Solution

The fourth proportional to 7,005,883.76, 9,668,123.74 and 3,908,407.13 is: 5,393,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,883.76 : 9,668,123.74 = 3,908,407.13 : x
  2. Step 2: Convert to fraction form
    7,005,883.76/9,668,123.74 = 3,908,407.13/x
  3. Step 3: Cross multiply
    7,005,883.76x = 9,668,123.74 × 3,908,407.13
  4. Step 4: Simplify right side
    7,005,883.76x = 37,786,963,701,026.63
  5. Step 5: Solve for x
    x = 37,786,963,701,026.63/7,005,883.76
  6. Step 6: Final answer
    x = 5,393,604.15

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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.