Home / 10,078,751.84-13,909,858.32-5,728,492.08

Finding the Fourth Proportional to 10,078,751.84, 13,909,858.32 and 5,728,492.08

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Solution

The fourth proportional to 10,078,751.84, 13,909,858.32 and 5,728,492.08 is: 7,905,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,751.84 : 13,909,858.32 = 5,728,492.08 : x
  2. Step 2: Convert to fraction form
    10,078,751.84/13,909,858.32 = 5,728,492.08/x
  3. Step 3: Cross multiply
    10,078,751.84x = 13,909,858.32 × 5,728,492.08
  4. Step 4: Simplify right side
    10,078,751.84x = 79,682,513,220,042.11
  5. Step 5: Solve for x
    x = 79,682,513,220,042.11/10,078,751.84
  6. Step 6: Final answer
    x = 7,905,990.19

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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.