Home / 10,999,915.98-15,182,674.48-7,516,664.68

Finding the Fourth Proportional to 10,999,915.98, 15,182,674.48 and 7,516,664.68

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Solution

The fourth proportional to 10,999,915.98, 15,182,674.48 and 7,516,664.68 is: 10,374,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999,915.98 : 15,182,674.48 = 7,516,664.68 : x
  2. Step 2: Convert to fraction form
    10,999,915.98/15,182,674.48 = 7,516,664.68/x
  3. Step 3: Cross multiply
    10,999,915.98x = 15,182,674.48 × 7,516,664.68
  4. Step 4: Simplify right side
    10,999,915.98x = 114,123,072,969,381.83
  5. Step 5: Solve for x
    x = 114,123,072,969,381.83/10,999,915.98
  6. Step 6: Final answer
    x = 10,374,904.06

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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.