Home / 15,895,303,783.92-21,935,987,127.99-8,759,177,280.36

Finding the Fourth Proportional to 15,895,303,783.92, 21,935,987,127.99 and 8,759,177,280.36

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Solution

The fourth proportional to 15,895,303,783.92, 21,935,987,127.99 and 8,759,177,280.36 is: 12,087,922,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,303,783.92 : 21,935,987,127.99 = 8,759,177,280.36 : x
  2. Step 2: Convert to fraction form
    15,895,303,783.92/21,935,987,127.99 = 8,759,177,280.36/x
  3. Step 3: Cross multiply
    15,895,303,783.92x = 21,935,987,127.99 × 8,759,177,280.36
  4. Step 4: Simplify right side
    15,895,303,783.92x = 192,141,200,073,759,457,280
  5. Step 5: Solve for x
    x = 192,141,200,073,759,457,280/15,895,303,783.92
  6. Step 6: Final answer
    x = 12,087,922,488.66

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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.