Home / 15,534,699.77-21,438,053.80-8,565,390.81

Finding the Fourth Proportional to 15,534,699.77, 21,438,053.80 and 8,565,390.81

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Solution

The fourth proportional to 15,534,699.77, 21,438,053.80 and 8,565,390.81 is: 11,820,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534,699.77 : 21,438,053.80 = 8,565,390.81 : x
  2. Step 2: Convert to fraction form
    15,534,699.77/21,438,053.80 = 8,565,390.81/x
  3. Step 3: Cross multiply
    15,534,699.77x = 21,438,053.80 × 8,565,390.81
  4. Step 4: Simplify right side
    15,534,699.77x = 183,625,308,981,392.09
  5. Step 5: Solve for x
    x = 183,625,308,981,392.09/15,534,699.77
  6. Step 6: Final answer
    x = 11,820,332.01

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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.