Home / 8,487,102.54-12,730,529.16-2,097,354.72

Finding the Fourth Proportional to 8,487,102.54, 12,730,529.16 and 2,097,354.72

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Solution

The fourth proportional to 8,487,102.54, 12,730,529.16 and 2,097,354.72 is: 3,146,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,102.54 : 12,730,529.16 = 2,097,354.72 : x
  2. Step 2: Convert to fraction form
    8,487,102.54/12,730,529.16 = 2,097,354.72/x
  3. Step 3: Cross multiply
    8,487,102.54x = 12,730,529.16 × 2,097,354.72
  4. Step 4: Simplify right side
    8,487,102.54x = 26,700,435,421,823.64
  5. Step 5: Solve for x
    x = 26,700,435,421,823.64/8,487,102.54
  6. Step 6: Final answer
    x = 3,146,001.28

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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.