Home / 15,114,854.37-20,845,663.83-12,771,533.01

Finding the Fourth Proportional to 15,114,854.37, 20,845,663.83 and 12,771,533.01

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Solution

The fourth proportional to 15,114,854.37, 20,845,663.83 and 12,771,533.01 is: 17,613,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114,854.37 : 20,845,663.83 = 12,771,533.01 : x
  2. Step 2: Convert to fraction form
    15,114,854.37/20,845,663.83 = 12,771,533.01/x
  3. Step 3: Cross multiply
    15,114,854.37x = 20,845,663.83 × 12,771,533.01
  4. Step 4: Simplify right side
    15,114,854.37x = 266,231,083,720,208
  5. Step 5: Solve for x
    x = 266,231,083,720,208/15,114,854.37
  6. Step 6: Final answer
    x = 17,613,870.25

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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.