Home / 8,432,328.12-11,636,398.61-4,711,187.75

Finding the Fourth Proportional to 8,432,328.12, 11,636,398.61 and 4,711,187.75

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Solution

The fourth proportional to 8,432,328.12, 11,636,398.61 and 4,711,187.75 is: 6,501,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432,328.12 : 11,636,398.61 = 4,711,187.75 : x
  2. Step 2: Convert to fraction form
    8,432,328.12/11,636,398.61 = 4,711,187.75/x
  3. Step 3: Cross multiply
    8,432,328.12x = 11,636,398.61 × 4,711,187.75
  4. Step 4: Simplify right side
    8,432,328.12x = 54,821,258,521,478.05
  5. Step 5: Solve for x
    x = 54,821,258,521,478.05/8,432,328.12
  6. Step 6: Final answer
    x = 6,501,319.42

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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.