Home / 9,289,041.96-12,818,907.66-5,159,072.40

Finding the Fourth Proportional to 9,289,041.96, 12,818,907.66 and 5,159,072.40

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Solution

The fourth proportional to 9,289,041.96, 12,818,907.66 and 5,159,072.40 is: 7,119,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,041.96 : 12,818,907.66 = 5,159,072.40 : x
  2. Step 2: Convert to fraction form
    9,289,041.96/12,818,907.66 = 5,159,072.40/x
  3. Step 3: Cross multiply
    9,289,041.96x = 12,818,907.66 × 5,159,072.40
  4. Step 4: Simplify right side
    9,289,041.96x = 66,133,672,706,854.59
  5. Step 5: Solve for x
    x = 66,133,672,706,854.59/9,289,041.96
  6. Step 6: Final answer
    x = 7,119,536.44

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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.