Home / 19,408,045.80-29,112,068.70-12,227,687.40

Finding the Fourth Proportional to 19,408,045.80, 29,112,068.70 and 12,227,687.40

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Solution

The fourth proportional to 19,408,045.80, 29,112,068.70 and 12,227,687.40 is: 18,341,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,045.80 : 29,112,068.70 = 12,227,687.40 : x
  2. Step 2: Convert to fraction form
    19,408,045.80/29,112,068.70 = 12,227,687.40/x
  3. Step 3: Cross multiply
    19,408,045.80x = 29,112,068.70 × 12,227,687.40
  4. Step 4: Simplify right side
    19,408,045.80x = 355,973,275,630,924.38
  5. Step 5: Solve for x
    x = 355,973,275,630,924.38/19,408,045.80
  6. Step 6: Final answer
    x = 18,341,531.10

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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.