Home / 42,606,010.80-63,909,016.20-26,379,345.60

Finding the Fourth Proportional to 42,606,010.80, 63,909,016.20 and 26,379,345.60

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Solution

The fourth proportional to 42,606,010.80, 63,909,016.20 and 26,379,345.60 is: 39,569,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,606,010.80 : 63,909,016.20 = 26,379,345.60 : x
  2. Step 2: Convert to fraction form
    42,606,010.80/63,909,016.20 = 26,379,345.60/x
  3. Step 3: Cross multiply
    42,606,010.80x = 63,909,016.20 × 26,379,345.60
  4. Step 4: Simplify right side
    42,606,010.80x = 1,685,878,025,295,799
  5. Step 5: Solve for x
    x = 1,685,878,025,295,799/42,606,010.80
  6. Step 6: Final answer
    x = 39,569,018.40

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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.