Home / 28,295,317.09-42,442,922.64-8,866,030.51

Finding the Fourth Proportional to 28,295,317.09, 42,442,922.64 and 8,866,030.51

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Solution

The fourth proportional to 28,295,317.09, 42,442,922.64 and 8,866,030.51 is: 13,299,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,317.09 : 42,442,922.64 = 8,866,030.51 : x
  2. Step 2: Convert to fraction form
    28,295,317.09/42,442,922.64 = 8,866,030.51/x
  3. Step 3: Cross multiply
    28,295,317.09x = 42,442,922.64 × 8,866,030.51
  4. Step 4: Simplify right side
    28,295,317.09x = 376,300,247,059,809.75
  5. Step 5: Solve for x
    x = 376,300,247,059,809.75/28,295,317.09
  6. Step 6: Final answer
    x = 13,299,029.16

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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.