Home / 15,133,645,755.75-20,885,065,617.57-8,703,470,758.71

Finding the Fourth Proportional to 15,133,645,755.75, 20,885,065,617.57 and 8,703,470,758.71

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Solution

The fourth proportional to 15,133,645,755.75, 20,885,065,617.57 and 8,703,470,758.71 is: 12,011,154,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,645,755.75 : 20,885,065,617.57 = 8,703,470,758.71 : x
  2. Step 2: Convert to fraction form
    15,133,645,755.75/20,885,065,617.57 = 8,703,470,758.71/x
  3. Step 3: Cross multiply
    15,133,645,755.75x = 20,885,065,617.57 × 8,703,470,758.71
  4. Step 4: Simplify right side
    15,133,645,755.75x = 181,772,557,896,260,091,904
  5. Step 5: Solve for x
    x = 181,772,557,896,260,091,904/15,133,645,755.75
  6. Step 6: Final answer
    x = 12,011,154,538.04

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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.