Home / 9,515,368.36-13,131,220.60-5,164,454.16

Finding the Fourth Proportional to 9,515,368.36, 13,131,220.60 and 5,164,454.16

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Solution

The fourth proportional to 9,515,368.36, 13,131,220.60 and 5,164,454.16 is: 7,126,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,368.36 : 13,131,220.60 = 5,164,454.16 : x
  2. Step 2: Convert to fraction form
    9,515,368.36/13,131,220.60 = 5,164,454.16/x
  3. Step 3: Cross multiply
    9,515,368.36x = 13,131,220.60 × 5,164,454.16
  4. Step 4: Simplify right side
    9,515,368.36x = 67,815,586,853,547.70
  5. Step 5: Solve for x
    x = 67,815,586,853,547.70/9,515,368.36
  6. Step 6: Final answer
    x = 7,126,953.40

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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.