Home / 9,779,629.56-13,495,213.69-5,428,373.34

Finding the Fourth Proportional to 9,779,629.56, 13,495,213.69 and 5,428,373.34

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Solution

The fourth proportional to 9,779,629.56, 13,495,213.69 and 5,428,373.34 is: 7,490,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779,629.56 : 13,495,213.69 = 5,428,373.34 : x
  2. Step 2: Convert to fraction form
    9,779,629.56/13,495,213.69 = 5,428,373.34/x
  3. Step 3: Cross multiply
    9,779,629.56x = 13,495,213.69 × 5,428,373.34
  4. Step 4: Simplify right side
    9,779,629.56x = 73,257,058,204,059.16
  5. Step 5: Solve for x
    x = 73,257,058,204,059.16/9,779,629.56
  6. Step 6: Final answer
    x = 7,490,780.48

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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.