Home / 22,470,431.15-31,009,184.48-12,682,928.18

Finding the Fourth Proportional to 22,470,431.15, 31,009,184.48 and 12,682,928.18

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Solution

The fourth proportional to 22,470,431.15, 31,009,184.48 and 12,682,928.18 is: 17,502,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,431.15 : 31,009,184.48 = 12,682,928.18 : x
  2. Step 2: Convert to fraction form
    22,470,431.15/31,009,184.48 = 12,682,928.18/x
  3. Step 3: Cross multiply
    22,470,431.15x = 31,009,184.48 × 12,682,928.18
  4. Step 4: Simplify right side
    22,470,431.15x = 393,287,259,461,750.12
  5. Step 5: Solve for x
    x = 393,287,259,461,750.12/22,470,431.15
  6. Step 6: Final answer
    x = 17,502,434.95

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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.