Home / 8,289,987.65-12,430,552.80-3,492,256.40

Finding the Fourth Proportional to 8,289,987.65, 12,430,552.80 and 3,492,256.40

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Solution

The fourth proportional to 8,289,987.65, 12,430,552.80 and 3,492,256.40 is: 5,236,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,987.65 : 12,430,552.80 = 3,492,256.40 : x
  2. Step 2: Convert to fraction form
    8,289,987.65/12,430,552.80 = 3,492,256.40/x
  3. Step 3: Cross multiply
    8,289,987.65x = 12,430,552.80 × 3,492,256.40
  4. Step 4: Simplify right side
    8,289,987.65x = 43,410,677,571,337.92
  5. Step 5: Solve for x
    x = 43,410,677,571,337.92/8,289,987.65
  6. Step 6: Final answer
    x = 5,236,518.97

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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.