Home / 8,428,547-11,631,394.86-4,613,123

Finding the Fourth Proportional to 8,428,547, 11,631,394.86 and 4,613,123

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Solution

The fourth proportional to 8,428,547, 11,631,394.86 and 4,613,123 is: 6,366,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,547 : 11,631,394.86 = 4,613,123 : x
  2. Step 2: Convert to fraction form
    8,428,547/11,631,394.86 = 4,613,123/x
  3. Step 3: Cross multiply
    8,428,547x = 11,631,394.86 × 4,613,123
  4. Step 4: Simplify right side
    8,428,547x = 53,657,055,150,747.77
  5. Step 5: Solve for x
    x = 53,657,055,150,747.77/8,428,547
  6. Step 6: Final answer
    x = 6,366,109.74

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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.