Home / 15,133,644,881.36-20,885,064,409.57-8,703,469,881.50

Finding the Fourth Proportional to 15,133,644,881.36, 20,885,064,409.57 and 8,703,469,881.50

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Solution

The fourth proportional to 15,133,644,881.36, 20,885,064,409.57 and 8,703,469,881.50 is: 12,011,153,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,644,881.36 : 20,885,064,409.57 = 8,703,469,881.50 : x
  2. Step 2: Convert to fraction form
    15,133,644,881.36/20,885,064,409.57 = 8,703,469,881.50/x
  3. Step 3: Cross multiply
    15,133,644,881.36x = 20,885,064,409.57 × 8,703,469,881.50
  4. Step 4: Simplify right side
    15,133,644,881.36x = 181,772,529,061,980,995,584
  5. Step 5: Solve for x
    x = 181,772,529,061,980,995,584/15,133,644,881.36
  6. Step 6: Final answer
    x = 12,011,153,326.71

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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.