Home / 13,316,590.58-18,371,666.03-7,733,886.71

Finding the Fourth Proportional to 13,316,590.58, 18,371,666.03 and 7,733,886.71

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Solution

The fourth proportional to 13,316,590.58, 18,371,666.03 and 7,733,886.71 is: 10,669,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,590.58 : 18,371,666.03 = 7,733,886.71 : x
  2. Step 2: Convert to fraction form
    13,316,590.58/18,371,666.03 = 7,733,886.71/x
  3. Step 3: Cross multiply
    13,316,590.58x = 18,371,666.03 × 7,733,886.71
  4. Step 4: Simplify right side
    13,316,590.58x = 142,084,383,619,447.69
  5. Step 5: Solve for x
    x = 142,084,383,619,447.69/13,316,590.58
  6. Step 6: Final answer
    x = 10,669,726.82

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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.