Home / 12,643,302.76-17,447,800.95-6,842,082.96

Finding the Fourth Proportional to 12,643,302.76, 17,447,800.95 and 6,842,082.96

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Solution

The fourth proportional to 12,643,302.76, 17,447,800.95 and 6,842,082.96 is: 9,442,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,302.76 : 17,447,800.95 = 6,842,082.96 : x
  2. Step 2: Convert to fraction form
    12,643,302.76/17,447,800.95 = 6,842,082.96/x
  3. Step 3: Cross multiply
    12,643,302.76x = 17,447,800.95 × 6,842,082.96
  4. Step 4: Simplify right side
    12,643,302.76x = 119,379,301,569,466.81
  5. Step 5: Solve for x
    x = 119,379,301,569,466.81/12,643,302.76
  6. Step 6: Final answer
    x = 9,442,097.83

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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.