Home / 9,756,421.54-13,463,970.02-5,405,576.38

Finding the Fourth Proportional to 9,756,421.54, 13,463,970.02 and 5,405,576.38

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Solution

The fourth proportional to 9,756,421.54, 13,463,970.02 and 5,405,576.38 is: 7,459,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756,421.54 : 13,463,970.02 = 5,405,576.38 : x
  2. Step 2: Convert to fraction form
    9,756,421.54/13,463,970.02 = 5,405,576.38/x
  3. Step 3: Cross multiply
    9,756,421.54x = 13,463,970.02 × 5,405,576.38
  4. Step 4: Simplify right side
    9,756,421.54x = 72,780,518,321,140.12
  5. Step 5: Solve for x
    x = 72,780,518,321,140.12/9,756,421.54
  6. Step 6: Final answer
    x = 7,459,755.41

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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.