Home / 7,705,413-11,549,762.40-3,857,956.56

Finding the Fourth Proportional to 7,705,413, 11,549,762.40 and 3,857,956.56

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Solution

The fourth proportional to 7,705,413, 11,549,762.40 and 3,857,956.56 is: 5,782,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705,413 : 11,549,762.40 = 3,857,956.56 : x
  2. Step 2: Convert to fraction form
    7,705,413/11,549,762.40 = 3,857,956.56/x
  3. Step 3: Cross multiply
    7,705,413x = 11,549,762.40 × 3,857,956.56
  4. Step 4: Simplify right side
    7,705,413x = 44,558,481,617,521.34
  5. Step 5: Solve for x
    x = 44,558,481,617,521.34/7,705,413
  6. Step 6: Final answer
    x = 5,782,750.60

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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.