Home / 22,459,488.40-30,994,186.81-12,146,211.28

Finding the Fourth Proportional to 22,459,488.40, 30,994,186.81 and 12,146,211.28

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Solution

The fourth proportional to 22,459,488.40, 30,994,186.81 and 12,146,211.28 is: 16,761,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459,488.40 : 30,994,186.81 = 12,146,211.28 : x
  2. Step 2: Convert to fraction form
    22,459,488.40/30,994,186.81 = 12,146,211.28/x
  3. Step 3: Cross multiply
    22,459,488.40x = 30,994,186.81 × 12,146,211.28
  4. Step 4: Simplify right side
    22,459,488.40x = 376,461,941,291,078.25
  5. Step 5: Solve for x
    x = 376,461,941,291,078.25/22,459,488.40
  6. Step 6: Final answer
    x = 16,761,821.76

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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.