Home / 9,289,042.96-12,818,909.04-5,159,073.40

Finding the Fourth Proportional to 9,289,042.96, 12,818,909.04 and 5,159,073.40

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Solution

The fourth proportional to 9,289,042.96, 12,818,909.04 and 5,159,073.40 is: 7,119,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,042.96 : 12,818,909.04 = 5,159,073.40 : x
  2. Step 2: Convert to fraction form
    9,289,042.96/12,818,909.04 = 5,159,073.40/x
  3. Step 3: Cross multiply
    9,289,042.96x = 12,818,909.04 × 5,159,073.40
  4. Step 4: Simplify right side
    9,289,042.96x = 66,133,692,645,283.54
  5. Step 5: Solve for x
    x = 66,133,692,645,283.54/9,289,042.96
  6. Step 6: Final answer
    x = 7,119,537.82

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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.