Home / 9,779,065.89-13,494,435.35-5,427,809.88

Finding the Fourth Proportional to 9,779,065.89, 13,494,435.35 and 5,427,809.88

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Solution

The fourth proportional to 9,779,065.89, 13,494,435.35 and 5,427,809.88 is: 7,490,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779,065.89 : 13,494,435.35 = 5,427,809.88 : x
  2. Step 2: Convert to fraction form
    9,779,065.89/13,494,435.35 = 5,427,809.88/x
  3. Step 3: Cross multiply
    9,779,065.89x = 13,494,435.35 × 5,427,809.88
  4. Step 4: Simplify right side
    9,779,065.89x = 73,245,229,517,751.25
  5. Step 5: Solve for x
    x = 73,245,229,517,751.25/9,779,065.89
  6. Step 6: Final answer
    x = 7,490,002.66

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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.