Home / 47,985,425.36-71,980,186.47-18,845,579.59

Finding the Fourth Proportional to 47,985,425.36, 71,980,186.47 and 18,845,579.59

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Solution

The fourth proportional to 47,985,425.36, 71,980,186.47 and 18,845,579.59 is: 28,269,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985,425.36 : 71,980,186.47 = 18,845,579.59 : x
  2. Step 2: Convert to fraction form
    47,985,425.36/71,980,186.47 = 18,845,579.59/x
  3. Step 3: Cross multiply
    47,985,425.36x = 71,980,186.47 × 18,845,579.59
  4. Step 4: Simplify right side
    47,985,425.36x = 1,356,508,332,808,140
  5. Step 5: Solve for x
    x = 1,356,508,332,808,140/47,985,425.36
  6. Step 6: Final answer
    x = 28,269,173.87

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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.