Home / 11,386,436.31-15,696,938.98-8,117,575.94

Finding the Fourth Proportional to 11,386,436.31, 15,696,938.98 and 8,117,575.94

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Solution

The fourth proportional to 11,386,436.31, 15,696,938.98 and 8,117,575.94 is: 11,190,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386,436.31 : 15,696,938.98 = 8,117,575.94 : x
  2. Step 2: Convert to fraction form
    11,386,436.31/15,696,938.98 = 8,117,575.94/x
  3. Step 3: Cross multiply
    11,386,436.31x = 15,696,938.98 × 8,117,575.94
  4. Step 4: Simplify right side
    11,386,436.31x = 127,421,094,214,644.55
  5. Step 5: Solve for x
    x = 127,421,094,214,644.55/11,386,436.31
  6. Step 6: Final answer
    x = 11,190,603.52

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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.