Home / 11,878,453.72-16,392,266.28-6,445,945.72

Finding the Fourth Proportional to 11,878,453.72, 16,392,266.28 and 6,445,945.72

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Solution

The fourth proportional to 11,878,453.72, 16,392,266.28 and 6,445,945.72 is: 8,895,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,453.72 : 16,392,266.28 = 6,445,945.72 : x
  2. Step 2: Convert to fraction form
    11,878,453.72/16,392,266.28 = 6,445,945.72/x
  3. Step 3: Cross multiply
    11,878,453.72x = 16,392,266.28 × 6,445,945.72
  4. Step 4: Simplify right side
    11,878,453.72x = 105,663,658,668,666.31
  5. Step 5: Solve for x
    x = 105,663,658,668,666.31/11,878,453.72
  6. Step 6: Final answer
    x = 8,895,405.17

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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.