Home / 20,142,829.80-30,214,244.70-17,402,956.20

Finding the Fourth Proportional to 20,142,829.80, 30,214,244.70 and 17,402,956.20

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Solution

The fourth proportional to 20,142,829.80, 30,214,244.70 and 17,402,956.20 is: 26,104,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,829.80 : 30,214,244.70 = 17,402,956.20 : x
  2. Step 2: Convert to fraction form
    20,142,829.80/30,214,244.70 = 17,402,956.20/x
  3. Step 3: Cross multiply
    20,142,829.80x = 30,214,244.70 × 17,402,956.20
  4. Step 4: Simplify right side
    20,142,829.80x = 525,817,177,130,182.12
  5. Step 5: Solve for x
    x = 525,817,177,130,182.12/20,142,829.80
  6. Step 6: Final answer
    x = 26,104,434.30

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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.