Home / 5,376,539.40-8,064,809.10-4,788,673.80

Finding the Fourth Proportional to 5,376,539.40, 8,064,809.10 and 4,788,673.80

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Solution

The fourth proportional to 5,376,539.40, 8,064,809.10 and 4,788,673.80 is: 7,183,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,539.40 : 8,064,809.10 = 4,788,673.80 : x
  2. Step 2: Convert to fraction form
    5,376,539.40/8,064,809.10 = 4,788,673.80/x
  3. Step 3: Cross multiply
    5,376,539.40x = 8,064,809.10 × 4,788,673.80
  4. Step 4: Simplify right side
    5,376,539.40x = 38,619,740,039,171.58
  5. Step 5: Solve for x
    x = 38,619,740,039,171.58/5,376,539.40
  6. Step 6: Final answer
    x = 7,183,010.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.