Home / 8,500,392.78-12,754,358.16-4,455,915.36

Finding the Fourth Proportional to 8,500,392.78, 12,754,358.16 and 4,455,915.36

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Solution

The fourth proportional to 8,500,392.78, 12,754,358.16 and 4,455,915.36 is: 6,685,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,392.78 : 12,754,358.16 = 4,455,915.36 : x
  2. Step 2: Convert to fraction form
    8,500,392.78/12,754,358.16 = 4,455,915.36/x
  3. Step 3: Cross multiply
    8,500,392.78x = 12,754,358.16 × 4,455,915.36
  4. Step 4: Simplify right side
    8,500,392.78x = 56,832,340,432,085.34
  5. Step 5: Solve for x
    x = 56,832,340,432,085.34/8,500,392.78
  6. Step 6: Final answer
    x = 6,685,848.75

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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.