Home / 30,730,191.58-46,128,102.81-13,231,417.18

Finding the Fourth Proportional to 30,730,191.58, 46,128,102.81 and 13,231,417.18

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Solution

The fourth proportional to 30,730,191.58, 46,128,102.81 and 13,231,417.18 is: 19,861,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,191.58 : 46,128,102.81 = 13,231,417.18 : x
  2. Step 2: Convert to fraction form
    30,730,191.58/46,128,102.81 = 13,231,417.18/x
  3. Step 3: Cross multiply
    30,730,191.58x = 46,128,102.81 × 13,231,417.18
  4. Step 4: Simplify right side
    30,730,191.58x = 610,340,172,001,040.25
  5. Step 5: Solve for x
    x = 610,340,172,001,040.25/30,730,191.58
  6. Step 6: Final answer
    x = 19,861,255.03

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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.