Home / 10,790,642.49-14,901,030.79-6,929,889.47

Finding the Fourth Proportional to 10,790,642.49, 14,901,030.79 and 6,929,889.47

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Solution

The fourth proportional to 10,790,642.49, 14,901,030.79 and 6,929,889.47 is: 9,569,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,642.49 : 14,901,030.79 = 6,929,889.47 : x
  2. Step 2: Convert to fraction form
    10,790,642.49/14,901,030.79 = 6,929,889.47/x
  3. Step 3: Cross multiply
    10,790,642.49x = 14,901,030.79 × 6,929,889.47
  4. Step 4: Simplify right side
    10,790,642.49x = 103,262,496,327,815.77
  5. Step 5: Solve for x
    x = 103,262,496,327,815.77/10,790,642.49
  6. Step 6: Final answer
    x = 9,569,633.73

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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.