Home / 19,815,082.93-27,319,507.50-12,833,428.06

Finding the Fourth Proportional to 19,815,082.93, 27,319,507.50 and 12,833,428.06

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Solution

The fourth proportional to 19,815,082.93, 27,319,507.50 and 12,833,428.06 is: 17,693,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,082.93 : 27,319,507.50 = 12,833,428.06 : x
  2. Step 2: Convert to fraction form
    19,815,082.93/27,319,507.50 = 12,833,428.06/x
  3. Step 3: Cross multiply
    19,815,082.93x = 27,319,507.50 × 12,833,428.06
  4. Step 4: Simplify right side
    19,815,082.93x = 350,602,934,135,880.44
  5. Step 5: Solve for x
    x = 350,602,934,135,880.44/19,815,082.93
  6. Step 6: Final answer
    x = 17,693,740.44

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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.