Home / 8,487,017.08-12,730,642.39-2,421,746.85

Finding the Fourth Proportional to 8,487,017.08, 12,730,642.39 and 2,421,746.85

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Solution

The fourth proportional to 8,487,017.08, 12,730,642.39 and 2,421,746.85 is: 3,632,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,017.08 : 12,730,642.39 = 2,421,746.85 : x
  2. Step 2: Convert to fraction form
    8,487,017.08/12,730,642.39 = 2,421,746.85/x
  3. Step 3: Cross multiply
    8,487,017.08x = 12,730,642.39 × 2,421,746.85
  4. Step 4: Simplify right side
    8,487,017.08x = 30,830,393,100,404.61
  5. Step 5: Solve for x
    x = 30,830,393,100,404.61/8,487,017.08
  6. Step 6: Final answer
    x = 3,632,653.60

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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.