Home / 19,850,714.20-29,776,071.30-18,087,117.40

Finding the Fourth Proportional to 19,850,714.20, 29,776,071.30 and 18,087,117.40

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Solution

The fourth proportional to 19,850,714.20, 29,776,071.30 and 18,087,117.40 is: 27,130,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850,714.20 : 29,776,071.30 = 18,087,117.40 : x
  2. Step 2: Convert to fraction form
    19,850,714.20/29,776,071.30 = 18,087,117.40/x
  3. Step 3: Cross multiply
    19,850,714.20x = 29,776,071.30 × 18,087,117.40
  4. Step 4: Simplify right side
    19,850,714.20x = 538,563,297,313,870.56
  5. Step 5: Solve for x
    x = 538,563,297,313,870.56/19,850,714.20
  6. Step 6: Final answer
    x = 27,130,676.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.