Home / 9,665,985.66-13,338,701.64-5,314,813.08

Finding the Fourth Proportional to 9,665,985.66, 13,338,701.64 and 5,314,813.08

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Solution

The fourth proportional to 9,665,985.66, 13,338,701.64 and 5,314,813.08 is: 7,334,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,985.66 : 13,338,701.64 = 5,314,813.08 : x
  2. Step 2: Convert to fraction form
    9,665,985.66/13,338,701.64 = 5,314,813.08/x
  3. Step 3: Cross multiply
    9,665,985.66x = 13,338,701.64 × 5,314,813.08
  4. Step 4: Simplify right side
    9,665,985.66x = 70,892,705,946,489.45
  5. Step 5: Solve for x
    x = 70,892,705,946,489.45/9,665,985.66
  6. Step 6: Final answer
    x = 7,334,244.89

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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.