Home / 14,316,431.76-19,756,382.64-7,790,190.48

Finding the Fourth Proportional to 14,316,431.76, 19,756,382.64 and 7,790,190.48

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Solution

The fourth proportional to 14,316,431.76, 19,756,382.64 and 7,790,190.48 is: 10,750,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316,431.76 : 19,756,382.64 = 7,790,190.48 : x
  2. Step 2: Convert to fraction form
    14,316,431.76/19,756,382.64 = 7,790,190.48/x
  3. Step 3: Cross multiply
    14,316,431.76x = 19,756,382.64 × 7,790,190.48
  4. Step 4: Simplify right side
    14,316,431.76x = 153,905,983,961,365.28
  5. Step 5: Solve for x
    x = 153,905,983,961,365.28/14,316,431.76
  6. Step 6: Final answer
    x = 10,750,303.33

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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.