Home / 15,047,055.36-20,771,290.56-10,158,896.48

Finding the Fourth Proportional to 15,047,055.36, 20,771,290.56 and 10,158,896.48

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Solution

The fourth proportional to 15,047,055.36, 20,771,290.56 and 10,158,896.48 is: 14,023,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,055.36 : 20,771,290.56 = 10,158,896.48 : x
  2. Step 2: Convert to fraction form
    15,047,055.36/20,771,290.56 = 10,158,896.48/x
  3. Step 3: Cross multiply
    15,047,055.36x = 20,771,290.56 × 10,158,896.48
  4. Step 4: Simplify right side
    15,047,055.36x = 211,013,390,555,041.22
  5. Step 5: Solve for x
    x = 211,013,390,555,041.22/15,047,055.36
  6. Step 6: Final answer
    x = 14,023,567.10

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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.