Home / 28,032,147.72-42,048,260.46-7,837,370.28

Finding the Fourth Proportional to 28,032,147.72, 42,048,260.46 and 7,837,370.28

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Solution

The fourth proportional to 28,032,147.72, 42,048,260.46 and 7,837,370.28 is: 11,756,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032,147.72 : 42,048,260.46 = 7,837,370.28 : x
  2. Step 2: Convert to fraction form
    28,032,147.72/42,048,260.46 = 7,837,370.28/x
  3. Step 3: Cross multiply
    28,032,147.72x = 42,048,260.46 × 7,837,370.28
  4. Step 4: Simplify right side
    28,032,147.72x = 329,547,786,854,903.12
  5. Step 5: Solve for x
    x = 329,547,786,854,903.12/28,032,147.72
  6. Step 6: Final answer
    x = 11,756,066.29

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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.