Home / 8,657,911.84-12,980,310-5,245,492

Finding the Fourth Proportional to 8,657,911.84, 12,980,310 and 5,245,492

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Solution

The fourth proportional to 8,657,911.84, 12,980,310 and 5,245,492 is: 7,864,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,911.84 : 12,980,310 = 5,245,492 : x
  2. Step 2: Convert to fraction form
    8,657,911.84/12,980,310 = 5,245,492/x
  3. Step 3: Cross multiply
    8,657,911.84x = 12,980,310 × 5,245,492
  4. Step 4: Simplify right side
    8,657,911.84x = 68,088,112,262,520
  5. Step 5: Solve for x
    x = 68,088,112,262,520/8,657,911.84
  6. Step 6: Final answer
    x = 7,864,264.91

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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.