Home / 8,105,127.60-12,138,210.41-4,636,350.64

Finding the Fourth Proportional to 8,105,127.60, 12,138,210.41 and 4,636,350.64

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Solution

The fourth proportional to 8,105,127.60, 12,138,210.41 and 4,636,350.64 is: 6,943,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105,127.60 : 12,138,210.41 = 4,636,350.64 : x
  2. Step 2: Convert to fraction form
    8,105,127.60/12,138,210.41 = 4,636,350.64/x
  3. Step 3: Cross multiply
    8,105,127.60x = 12,138,210.41 × 4,636,350.64
  4. Step 4: Simplify right side
    8,105,127.60x = 56,276,999,549,330.88
  5. Step 5: Solve for x
    x = 56,276,999,549,330.88/8,105,127.60
  6. Step 6: Final answer
    x = 6,943,382.30

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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.