Home / 15,084,533.61-20,817,341.85-8,889,841.77

Finding the Fourth Proportional to 15,084,533.61, 20,817,341.85 and 8,889,841.77

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Solution

The fourth proportional to 15,084,533.61, 20,817,341.85 and 8,889,841.77 is: 12,268,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,533.61 : 20,817,341.85 = 8,889,841.77 : x
  2. Step 2: Convert to fraction form
    15,084,533.61/20,817,341.85 = 8,889,841.77/x
  3. Step 3: Cross multiply
    15,084,533.61x = 20,817,341.85 × 8,889,841.77
  4. Step 4: Simplify right side
    15,084,533.61x = 185,062,875,118,499.09
  5. Step 5: Solve for x
    x = 185,062,875,118,499.09/15,084,533.61
  6. Step 6: Final answer
    x = 12,268,385.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.