Home / 20,657,806.84-30,988,444.95-6,280,999.18

Finding the Fourth Proportional to 20,657,806.84, 30,988,444.95 and 6,280,999.18

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Solution

The fourth proportional to 20,657,806.84, 30,988,444.95 and 6,280,999.18 is: 9,422,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,806.84 : 30,988,444.95 = 6,280,999.18 : x
  2. Step 2: Convert to fraction form
    20,657,806.84/30,988,444.95 = 6,280,999.18/x
  3. Step 3: Cross multiply
    20,657,806.84x = 30,988,444.95 × 6,280,999.18
  4. Step 4: Simplify right side
    20,657,806.84x = 194,638,397,320,425.12
  5. Step 5: Solve for x
    x = 194,638,397,320,425.12/20,657,806.84
  6. Step 6: Final answer
    x = 9,422,026.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.