Home / 22,470,429.65-31,009,182.41-12,682,926.68

Finding the Fourth Proportional to 22,470,429.65, 31,009,182.41 and 12,682,926.68

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Solution

The fourth proportional to 22,470,429.65, 31,009,182.41 and 12,682,926.68 is: 17,502,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,429.65 : 31,009,182.41 = 12,682,926.68 : x
  2. Step 2: Convert to fraction form
    22,470,429.65/31,009,182.41 = 12,682,926.68/x
  3. Step 3: Cross multiply
    22,470,429.65x = 31,009,182.41 × 12,682,926.68
  4. Step 4: Simplify right side
    22,470,429.65x = 393,287,186,789,437.12
  5. Step 5: Solve for x
    x = 393,287,186,789,437.12/22,470,429.65
  6. Step 6: Final answer
    x = 17,502,432.89

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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.