Home / 8,112,043.10-12,168,064.65-4,920,772.70

Finding the Fourth Proportional to 8,112,043.10, 12,168,064.65 and 4,920,772.70

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Solution

The fourth proportional to 8,112,043.10, 12,168,064.65 and 4,920,772.70 is: 7,381,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112,043.10 : 12,168,064.65 = 4,920,772.70 : x
  2. Step 2: Convert to fraction form
    8,112,043.10/12,168,064.65 = 4,920,772.70/x
  3. Step 3: Cross multiply
    8,112,043.10x = 12,168,064.65 × 4,920,772.70
  4. Step 4: Simplify right side
    8,112,043.10x = 59,876,280,341,555.06
  5. Step 5: Solve for x
    x = 59,876,280,341,555.06/8,112,043.10
  6. Step 6: Final answer
    x = 7,381,159.05

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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.