Home / 9,121,434.48-12,587,580.72-4,991,466.42

Finding the Fourth Proportional to 9,121,434.48, 12,587,580.72 and 4,991,466.42

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Solution

The fourth proportional to 9,121,434.48, 12,587,580.72 and 4,991,466.42 is: 6,888,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,434.48 : 12,587,580.72 = 4,991,466.42 : x
  2. Step 2: Convert to fraction form
    9,121,434.48/12,587,580.72 = 4,991,466.42/x
  3. Step 3: Cross multiply
    9,121,434.48x = 12,587,580.72 × 4,991,466.42
  4. Step 4: Simplify right side
    9,121,434.48x = 62,830,486,472,919.42
  5. Step 5: Solve for x
    x = 62,830,486,472,919.42/9,121,434.48
  6. Step 6: Final answer
    x = 6,888,224.28

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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.