Home / 7,128,037.60-10,707,802.80-6,860,348.80

Finding the Fourth Proportional to 7,128,037.60, 10,707,802.80 and 6,860,348.80

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Solution

The fourth proportional to 7,128,037.60, 10,707,802.80 and 6,860,348.80 is: 10,305,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,037.60 : 10,707,802.80 = 6,860,348.80 : x
  2. Step 2: Convert to fraction form
    7,128,037.60/10,707,802.80 = 6,860,348.80/x
  3. Step 3: Cross multiply
    7,128,037.60x = 10,707,802.80 × 6,860,348.80
  4. Step 4: Simplify right side
    7,128,037.60x = 73,459,262,089,616.64
  5. Step 5: Solve for x
    x = 73,459,262,089,616.64/7,128,037.60
  6. Step 6: Final answer
    x = 10,305,678.25

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1.5x scale

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.