Home / 15,772,944,651.29-21,766,583,784.53-8,636,228,798.57

Finding the Fourth Proportional to 15,772,944,651.29, 21,766,583,784.53 and 8,636,228,798.57

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Solution

The fourth proportional to 15,772,944,651.29, 21,766,583,784.53 and 8,636,228,798.57 is: 11,917,952,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,944,651.29 : 21,766,583,784.53 = 8,636,228,798.57 : x
  2. Step 2: Convert to fraction form
    15,772,944,651.29/21,766,583,784.53 = 8,636,228,798.57/x
  3. Step 3: Cross multiply
    15,772,944,651.29x = 21,766,583,784.53 × 8,636,228,798.57
  4. Step 4: Simplify right side
    15,772,944,651.29x = 187,981,197,726,444,748,800
  5. Step 5: Solve for x
    x = 187,981,197,726,444,748,800/15,772,944,651.29
  6. Step 6: Final answer
    x = 11,917,952,030.03

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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.