Home / 19,320,446.60-28,984,169.10-9,711,643.40

Finding the Fourth Proportional to 19,320,446.60, 28,984,169.10 and 9,711,643.40

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Solution

The fourth proportional to 19,320,446.60, 28,984,169.10 and 9,711,643.40 is: 14,569,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,446.60 : 28,984,169.10 = 9,711,643.40 : x
  2. Step 2: Convert to fraction form
    19,320,446.60/28,984,169.10 = 9,711,643.40/x
  3. Step 3: Cross multiply
    19,320,446.60x = 28,984,169.10 × 9,711,643.40
  4. Step 4: Simplify right side
    19,320,446.60x = 281,483,914,544,498.94
  5. Step 5: Solve for x
    x = 281,483,914,544,498.94/19,320,446.60
  6. Step 6: Final answer
    x = 14,569,224.01

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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.