Home / 8,312,083.90-12,447,130.65-5,456,736.70

Finding the Fourth Proportional to 8,312,083.90, 12,447,130.65 and 5,456,736.70

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Solution

The fourth proportional to 8,312,083.90, 12,447,130.65 and 5,456,736.70 is: 8,171,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,083.90 : 12,447,130.65 = 5,456,736.70 : x
  2. Step 2: Convert to fraction form
    8,312,083.90/12,447,130.65 = 5,456,736.70/x
  3. Step 3: Cross multiply
    8,312,083.90x = 12,447,130.65 × 5,456,736.70
  4. Step 4: Simplify right side
    8,312,083.90x = 67,920,714,627,549.86
  5. Step 5: Solve for x
    x = 67,920,714,627,549.86/8,312,083.90
  6. Step 6: Final answer
    x = 8,171,322.07

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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.