Home / 9,916,364.40-13,685,918.13-5,565,688.76

Finding the Fourth Proportional to 9,916,364.40, 13,685,918.13 and 5,565,688.76

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Solution

The fourth proportional to 9,916,364.40, 13,685,918.13 and 5,565,688.76 is: 7,681,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916,364.40 : 13,685,918.13 = 5,565,688.76 : x
  2. Step 2: Convert to fraction form
    9,916,364.40/13,685,918.13 = 5,565,688.76/x
  3. Step 3: Cross multiply
    9,916,364.40x = 13,685,918.13 × 5,565,688.76
  4. Step 4: Simplify right side
    9,916,364.40x = 76,171,560,637,991.62
  5. Step 5: Solve for x
    x = 76,171,560,637,991.62/9,916,364.40
  6. Step 6: Final answer
    x = 7,681,399.91

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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.