Home / 8,402,731.20-12,604,880.88-6,511,595.04

Finding the Fourth Proportional to 8,402,731.20, 12,604,880.88 and 6,511,595.04

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Solution

The fourth proportional to 8,402,731.20, 12,604,880.88 and 6,511,595.04 is: 9,768,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,731.20 : 12,604,880.88 = 6,511,595.04 : x
  2. Step 2: Convert to fraction form
    8,402,731.20/12,604,880.88 = 6,511,595.04/x
  3. Step 3: Cross multiply
    8,402,731.20x = 12,604,880.88 × 6,511,595.04
  4. Step 4: Simplify right side
    8,402,731.20x = 82,077,879,817,998.84
  5. Step 5: Solve for x
    x = 82,077,879,817,998.84/8,402,731.20
  6. Step 6: Final answer
    x = 9,768,000.17

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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.