Home / 15,097,974.08-20,835,794.04-8,572,210.88

Finding the Fourth Proportional to 15,097,974.08, 20,835,794.04 and 8,572,210.88

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Solution

The fourth proportional to 15,097,974.08, 20,835,794.04 and 8,572,210.88 is: 11,829,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097,974.08 : 20,835,794.04 = 8,572,210.88 : x
  2. Step 2: Convert to fraction form
    15,097,974.08/20,835,794.04 = 8,572,210.88/x
  3. Step 3: Cross multiply
    15,097,974.08x = 20,835,794.04 × 8,572,210.88
  4. Step 4: Simplify right side
    15,097,974.08x = 178,608,820,363,127.16
  5. Step 5: Solve for x
    x = 178,608,820,363,127.16/15,097,974.08
  6. Step 6: Final answer
    x = 11,829,985.89

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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.