Home / 12,655,930.86-18,980,018.01-4,567,918.86

Finding the Fourth Proportional to 12,655,930.86, 18,980,018.01 and 4,567,918.86

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Solution

The fourth proportional to 12,655,930.86, 18,980,018.01 and 4,567,918.86 is: 6,850,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,930.86 : 18,980,018.01 = 4,567,918.86 : x
  2. Step 2: Convert to fraction form
    12,655,930.86/18,980,018.01 = 4,567,918.86/x
  3. Step 3: Cross multiply
    12,655,930.86x = 18,980,018.01 × 4,567,918.86
  4. Step 4: Simplify right side
    12,655,930.86x = 86,699,182,231,018.69
  5. Step 5: Solve for x
    x = 86,699,182,231,018.69/12,655,930.86
  6. Step 6: Final answer
    x = 6,850,478.50

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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.