Home / 12,860,488.50-19,286,667.32-4,223,165.06

Finding the Fourth Proportional to 12,860,488.50, 19,286,667.32 and 4,223,165.06

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Solution

The fourth proportional to 12,860,488.50, 19,286,667.32 and 4,223,165.06 is: 6,333,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,488.50 : 19,286,667.32 = 4,223,165.06 : x
  2. Step 2: Convert to fraction form
    12,860,488.50/19,286,667.32 = 4,223,165.06/x
  3. Step 3: Cross multiply
    12,860,488.50x = 19,286,667.32 × 4,223,165.06
  4. Step 4: Simplify right side
    12,860,488.50x = 81,450,779,463,792.42
  5. Step 5: Solve for x
    x = 81,450,779,463,792.42/12,860,488.50
  6. Step 6: Final answer
    x = 6,333,412.56

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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.