Home / 25,281,312.43-34,887,962.78-13,678,621.33

Finding the Fourth Proportional to 25,281,312.43, 34,887,962.78 and 13,678,621.33

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Solution

The fourth proportional to 25,281,312.43, 34,887,962.78 and 13,678,621.33 is: 18,876,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281,312.43 : 34,887,962.78 = 13,678,621.33 : x
  2. Step 2: Convert to fraction form
    25,281,312.43/34,887,962.78 = 13,678,621.33/x
  3. Step 3: Cross multiply
    25,281,312.43x = 34,887,962.78 × 13,678,621.33
  4. Step 4: Simplify right side
    25,281,312.43x = 477,219,231,774,361
  5. Step 5: Solve for x
    x = 477,219,231,774,361/25,281,312.43
  6. Step 6: Final answer
    x = 18,876,363.05

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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.