Home / 38,180,312-52,688,839.20-21,010,904

Finding the Fourth Proportional to 38,180,312, 52,688,839.20 and 21,010,904

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Solution

The fourth proportional to 38,180,312, 52,688,839.20 and 21,010,904 is: 28,995,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,312 : 52,688,839.20 = 21,010,904 : x
  2. Step 2: Convert to fraction form
    38,180,312/52,688,839.20 = 21,010,904/x
  3. Step 3: Cross multiply
    38,180,312x = 52,688,839.20 × 21,010,904
  4. Step 4: Simplify right side
    38,180,312x = 1,107,040,142,302,636.88
  5. Step 5: Solve for x
    x = 1,107,040,142,302,636.88/38,180,312
  6. Step 6: Final answer
    x = 28,995,052.27

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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.