Home / 30,963,708.51-42,731,014.50-17,026,125.18

Finding the Fourth Proportional to 30,963,708.51, 42,731,014.50 and 17,026,125.18

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Solution

The fourth proportional to 30,963,708.51, 42,731,014.50 and 17,026,125.18 is: 23,496,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,963,708.51 : 42,731,014.50 = 17,026,125.18 : x
  2. Step 2: Convert to fraction form
    30,963,708.51/42,731,014.50 = 17,026,125.18/x
  3. Step 3: Cross multiply
    30,963,708.51x = 42,731,014.50 × 17,026,125.18
  4. Step 4: Simplify right side
    30,963,708.51x = 727,543,601,945,395.12
  5. Step 5: Solve for x
    x = 727,543,601,945,395.12/30,963,708.51
  6. Step 6: Final answer
    x = 23,496,655.83

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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.