Home / 10,351,228.40-14,284,509.58-5,641,666.12

Finding the Fourth Proportional to 10,351,228.40, 14,284,509.58 and 5,641,666.12

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Solution

The fourth proportional to 10,351,228.40, 14,284,509.58 and 5,641,666.12 is: 7,785,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,228.40 : 14,284,509.58 = 5,641,666.12 : x
  2. Step 2: Convert to fraction form
    10,351,228.40/14,284,509.58 = 5,641,666.12/x
  3. Step 3: Cross multiply
    10,351,228.40x = 14,284,509.58 × 5,641,666.12
  4. Step 4: Simplify right side
    10,351,228.40x = 80,588,433,738,301.44
  5. Step 5: Solve for x
    x = 80,588,433,738,301.44/10,351,228.40
  6. Step 6: Final answer
    x = 7,785,398.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.