Home / 21,064,433.35-31,599,110.40-6,688,954.30

Finding the Fourth Proportional to 21,064,433.35, 31,599,110.40 and 6,688,954.30

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Solution

The fourth proportional to 21,064,433.35, 31,599,110.40 and 6,688,954.30 is: 10,034,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,433.35 : 31,599,110.40 = 6,688,954.30 : x
  2. Step 2: Convert to fraction form
    21,064,433.35/31,599,110.40 = 6,688,954.30/x
  3. Step 3: Cross multiply
    21,064,433.35x = 31,599,110.40 × 6,688,954.30
  4. Step 4: Simplify right side
    21,064,433.35x = 211,365,005,386,254.72
  5. Step 5: Solve for x
    x = 211,365,005,386,254.72/21,064,433.35
  6. Step 6: Final answer
    x = 10,034,212.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.