Home / 15,478,404.66-21,311,409.96-14,043,513.96

Finding the Fourth Proportional to 15,478,404.66, 21,311,409.96 and 14,043,513.96

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Solution

The fourth proportional to 15,478,404.66, 21,311,409.96 and 14,043,513.96 is: 19,335,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478,404.66 : 21,311,409.96 = 14,043,513.96 : x
  2. Step 2: Convert to fraction form
    15,478,404.66/21,311,409.96 = 14,043,513.96/x
  3. Step 3: Cross multiply
    15,478,404.66x = 21,311,409.96 × 14,043,513.96
  4. Step 4: Simplify right side
    15,478,404.66x = 299,287,083,280,543.06
  5. Step 5: Solve for x
    x = 299,287,083,280,543.06/15,478,404.66
  6. Step 6: Final answer
    x = 19,335,783.62

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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.