Home / 12,714,720.40-19,072,080.60-3,130,022.80

Finding the Fourth Proportional to 12,714,720.40, 19,072,080.60 and 3,130,022.80

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Solution

The fourth proportional to 12,714,720.40, 19,072,080.60 and 3,130,022.80 is: 4,695,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,720.40 : 19,072,080.60 = 3,130,022.80 : x
  2. Step 2: Convert to fraction form
    12,714,720.40/19,072,080.60 = 3,130,022.80/x
  3. Step 3: Cross multiply
    12,714,720.40x = 19,072,080.60 × 3,130,022.80
  4. Step 4: Simplify right side
    12,714,720.40x = 59,696,047,121,437.68
  5. Step 5: Solve for x
    x = 59,696,047,121,437.68/12,714,720.40
  6. Step 6: Final answer
    x = 4,695,034.20

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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.