Home / 13,316,479.40-18,371,512.92-7,733,775.57

Finding the Fourth Proportional to 13,316,479.40, 18,371,512.92 and 7,733,775.57

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Solution

The fourth proportional to 13,316,479.40, 18,371,512.92 and 7,733,775.57 is: 10,669,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,479.40 : 18,371,512.92 = 7,733,775.57 : x
  2. Step 2: Convert to fraction form
    13,316,479.40/18,371,512.92 = 7,733,775.57/x
  3. Step 3: Cross multiply
    13,316,479.40x = 18,371,512.92 × 7,733,775.57
  4. Step 4: Simplify right side
    13,316,479.40x = 142,081,157,852,446.12
  5. Step 5: Solve for x
    x = 142,081,157,852,446.12/13,316,479.40
  6. Step 6: Final answer
    x = 10,669,573.66

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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.