Home / 7,827,502.40-11,731,922.40-3,278,542.40

Finding the Fourth Proportional to 7,827,502.40, 11,731,922.40 and 3,278,542.40

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Solution

The fourth proportional to 7,827,502.40, 11,731,922.40 and 3,278,542.40 is: 4,913,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,502.40 : 11,731,922.40 = 3,278,542.40 : x
  2. Step 2: Convert to fraction form
    7,827,502.40/11,731,922.40 = 3,278,542.40/x
  3. Step 3: Cross multiply
    7,827,502.40x = 11,731,922.40 × 3,278,542.40
  4. Step 4: Simplify right side
    7,827,502.40x = 38,463,605,021,909.76
  5. Step 5: Solve for x
    x = 38,463,605,021,909.76/7,827,502.40
  6. Step 6: Final answer
    x = 4,913,905.24

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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.