Home / 9,916,362.90-13,685,916.06-5,565,687.26

Finding the Fourth Proportional to 9,916,362.90, 13,685,916.06 and 5,565,687.26

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Solution

The fourth proportional to 9,916,362.90, 13,685,916.06 and 5,565,687.26 is: 7,681,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916,362.90 : 13,685,916.06 = 5,565,687.26 : x
  2. Step 2: Convert to fraction form
    9,916,362.90/13,685,916.06 = 5,565,687.26/x
  3. Step 3: Cross multiply
    9,916,362.90x = 13,685,916.06 × 5,565,687.26
  4. Step 4: Simplify right side
    9,916,362.90x = 76,171,528,588,141.81
  5. Step 5: Solve for x
    x = 76,171,528,588,141.81/9,916,362.90
  6. Step 6: Final answer
    x = 7,681,397.84

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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.