Home / 20,712,160,373.72-28,590,554,184.57-13,576,034,063.30

Finding the Fourth Proportional to 20,712,160,373.72, 28,590,554,184.57 and 13,576,034,063.30

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Solution

The fourth proportional to 20,712,160,373.72, 28,590,554,184.57 and 13,576,034,063.30 is: 18,740,021,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,160,373.72 : 28,590,554,184.57 = 13,576,034,063.30 : x
  2. Step 2: Convert to fraction form
    20,712,160,373.72/28,590,554,184.57 = 13,576,034,063.30/x
  3. Step 3: Cross multiply
    20,712,160,373.72x = 28,590,554,184.57 × 13,576,034,063.30
  4. Step 4: Simplify right side
    20,712,160,373.72x = 388,146,337,498,346,618,880
  5. Step 5: Solve for x
    x = 388,146,337,498,346,618,880/20,712,160,373.72
  6. Step 6: Final answer
    x = 18,740,021,827.51

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1.5x scale

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.