Home / 7,780,440.46-11,669,627.10-2,315,437.28

Finding the Fourth Proportional to 7,780,440.46, 11,669,627.10 and 2,315,437.28

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Solution

The fourth proportional to 7,780,440.46, 11,669,627.10 and 2,315,437.28 is: 3,472,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,440.46 : 11,669,627.10 = 2,315,437.28 : x
  2. Step 2: Convert to fraction form
    7,780,440.46/11,669,627.10 = 2,315,437.28/x
  3. Step 3: Cross multiply
    7,780,440.46x = 11,669,627.10 × 2,315,437.28
  4. Step 4: Simplify right side
    7,780,440.46x = 27,020,289,631,038.29
  5. Step 5: Solve for x
    x = 27,020,289,631,038.29/7,780,440.46
  6. Step 6: Final answer
    x = 3,472,848.33

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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.