Home / 10,731,845.72-14,805,061.62-6,378,457.88

Finding the Fourth Proportional to 10,731,845.72, 14,805,061.62 and 6,378,457.88

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Solution

The fourth proportional to 10,731,845.72, 14,805,061.62 and 6,378,457.88 is: 8,799,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731,845.72 : 14,805,061.62 = 6,378,457.88 : x
  2. Step 2: Convert to fraction form
    10,731,845.72/14,805,061.62 = 6,378,457.88/x
  3. Step 3: Cross multiply
    10,731,845.72x = 14,805,061.62 × 6,378,457.88
  4. Step 4: Simplify right side
    10,731,845.72x = 94,433,461,953,974.56
  5. Step 5: Solve for x
    x = 94,433,461,953,974.56/10,731,845.72
  6. Step 6: Final answer
    x = 8,799,368.20

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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.