Home / 9,820,528.40-14,705,909.40-7,829,872.40

Finding the Fourth Proportional to 9,820,528.40, 14,705,909.40 and 7,829,872.40

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Solution

The fourth proportional to 9,820,528.40, 14,705,909.40 and 7,829,872.40 is: 11,724,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820,528.40 : 14,705,909.40 = 7,829,872.40 : x
  2. Step 2: Convert to fraction form
    9,820,528.40/14,705,909.40 = 7,829,872.40/x
  3. Step 3: Cross multiply
    9,820,528.40x = 14,705,909.40 × 7,829,872.40
  4. Step 4: Simplify right side
    9,820,528.40x = 115,145,394,127,960.56
  5. Step 5: Solve for x
    x = 115,145,394,127,960.56/9,820,528.40
  6. Step 6: Final answer
    x = 11,724,969.31

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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.