Home / 12,882,955.58-17,778,699.53-7,081,981.82

Finding the Fourth Proportional to 12,882,955.58, 17,778,699.53 and 7,081,981.82

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Solution

The fourth proportional to 12,882,955.58, 17,778,699.53 and 7,081,981.82 is: 9,773,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,955.58 : 17,778,699.53 = 7,081,981.82 : x
  2. Step 2: Convert to fraction form
    12,882,955.58/17,778,699.53 = 7,081,981.82/x
  3. Step 3: Cross multiply
    12,882,955.58x = 17,778,699.53 × 7,081,981.82
  4. Step 4: Simplify right side
    12,882,955.58x = 125,908,426,854,702.56
  5. Step 5: Solve for x
    x = 125,908,426,854,702.56/12,882,955.58
  6. Step 6: Final answer
    x = 9,773,256.31

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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.