Home / 28,685,805.04-39,586,411.56-15,808,749.04

Finding the Fourth Proportional to 28,685,805.04, 39,586,411.56 and 15,808,749.04

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Solution

The fourth proportional to 28,685,805.04, 39,586,411.56 and 15,808,749.04 is: 21,816,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,805.04 : 39,586,411.56 = 15,808,749.04 : x
  2. Step 2: Convert to fraction form
    28,685,805.04/39,586,411.56 = 15,808,749.04/x
  3. Step 3: Cross multiply
    28,685,805.04x = 39,586,411.56 × 15,808,749.04
  4. Step 4: Simplify right side
    28,685,805.04x = 625,811,645,746,194.88
  5. Step 5: Solve for x
    x = 625,811,645,746,194.88/28,685,805.04
  6. Step 6: Final answer
    x = 21,816,074.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.