Home / 19,571,842.20-29,357,763.30-12,297,005.40

Finding the Fourth Proportional to 19,571,842.20, 29,357,763.30 and 12,297,005.40

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Solution

The fourth proportional to 19,571,842.20, 29,357,763.30 and 12,297,005.40 is: 18,445,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,842.20 : 29,357,763.30 = 12,297,005.40 : x
  2. Step 2: Convert to fraction form
    19,571,842.20/29,357,763.30 = 12,297,005.40/x
  3. Step 3: Cross multiply
    19,571,842.20x = 29,357,763.30 × 12,297,005.40
  4. Step 4: Simplify right side
    19,571,842.20x = 361,012,573,832,021.81
  5. Step 5: Solve for x
    x = 361,012,573,832,021.81/19,571,842.20
  6. Step 6: Final answer
    x = 18,445,508.10

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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.