Home / 30,506,247.75-42,088,378.64-17,273,615.93

Finding the Fourth Proportional to 30,506,247.75, 42,088,378.64 and 17,273,615.93

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Solution

The fourth proportional to 30,506,247.75, 42,088,378.64 and 17,273,615.93 is: 23,831,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,247.75 : 42,088,378.64 = 17,273,615.93 : x
  2. Step 2: Convert to fraction form
    30,506,247.75/42,088,378.64 = 17,273,615.93/x
  3. Step 3: Cross multiply
    30,506,247.75x = 42,088,378.64 × 17,273,615.93
  4. Step 4: Simplify right side
    30,506,247.75x = 727,018,487,446,965.75
  5. Step 5: Solve for x
    x = 727,018,487,446,965.75/30,506,247.75
  6. Step 6: Final answer
    x = 23,831,789.91

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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.