Home / 7,345,802.40-11,018,703.60-5,078,320.80

Finding the Fourth Proportional to 7,345,802.40, 11,018,703.60 and 5,078,320.80

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Solution

The fourth proportional to 7,345,802.40, 11,018,703.60 and 5,078,320.80 is: 7,617,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,802.40 : 11,018,703.60 = 5,078,320.80 : x
  2. Step 2: Convert to fraction form
    7,345,802.40/11,018,703.60 = 5,078,320.80/x
  3. Step 3: Cross multiply
    7,345,802.40x = 11,018,703.60 × 5,078,320.80
  4. Step 4: Simplify right side
    7,345,802.40x = 55,956,511,680,914.88
  5. Step 5: Solve for x
    x = 55,956,511,680,914.88/7,345,802.40
  6. Step 6: Final answer
    x = 7,617,481.20

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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.