Home / 8,638,719.47-12,960,210.50-2,573,427.62

Finding the Fourth Proportional to 8,638,719.47, 12,960,210.50 and 2,573,427.62

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Solution

The fourth proportional to 8,638,719.47, 12,960,210.50 and 2,573,427.62 is: 3,860,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,719.47 : 12,960,210.50 = 2,573,427.62 : x
  2. Step 2: Convert to fraction form
    8,638,719.47/12,960,210.50 = 2,573,427.62/x
  3. Step 3: Cross multiply
    8,638,719.47x = 12,960,210.50 × 2,573,427.62
  4. Step 4: Simplify right side
    8,638,719.47x = 33,352,163,690,897.75
  5. Step 5: Solve for x
    x = 33,352,163,690,897.75/8,638,719.47
  6. Step 6: Final answer
    x = 3,860,776.34

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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.