Home / 15,713,780,604.03-21,681,780,118.14-9,029,485,767.15

Finding the Fourth Proportional to 15,713,780,604.03, 21,681,780,118.14 and 9,029,485,767.15

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Solution

The fourth proportional to 15,713,780,604.03, 21,681,780,118.14 and 9,029,485,767.15 is: 12,458,830,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713,780,604.03 : 21,681,780,118.14 = 9,029,485,767.15 : x
  2. Step 2: Convert to fraction form
    15,713,780,604.03/21,681,780,118.14 = 9,029,485,767.15/x
  3. Step 3: Cross multiply
    15,713,780,604.03x = 21,681,780,118.14 × 9,029,485,767.15
  4. Step 4: Simplify right side
    15,713,780,604.03x = 195,775,324,983,220,961,280
  5. Step 5: Solve for x
    x = 195,775,324,983,220,961,280/15,713,780,604.03
  6. Step 6: Final answer
    x = 12,458,830,240.57

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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.