Home / 11,702,748.32-16,143,291.60-6,807,419.36

Finding the Fourth Proportional to 11,702,748.32, 16,143,291.60 and 6,807,419.36

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Solution

The fourth proportional to 11,702,748.32, 16,143,291.60 and 6,807,419.36 is: 9,390,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702,748.32 : 16,143,291.60 = 6,807,419.36 : x
  2. Step 2: Convert to fraction form
    11,702,748.32/16,143,291.60 = 6,807,419.36/x
  3. Step 3: Cross multiply
    11,702,748.32x = 16,143,291.60 × 6,807,419.36
  4. Step 4: Simplify right side
    11,702,748.32x = 109,894,155,771,965.38
  5. Step 5: Solve for x
    x = 109,894,155,771,965.38/11,702,748.32
  6. Step 6: Final answer
    x = 9,390,457.08

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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.