Home / 20,712,160,243.92-28,590,554,005.84-13,576,033,934.40

Finding the Fourth Proportional to 20,712,160,243.92, 28,590,554,005.84 and 13,576,033,934.40

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Solution

The fourth proportional to 20,712,160,243.92, 28,590,554,005.84 and 13,576,033,934.40 is: 18,740,021,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,160,243.92 : 28,590,554,005.84 = 13,576,033,934.40 : x
  2. Step 2: Convert to fraction form
    20,712,160,243.92/28,590,554,005.84 = 13,576,033,934.40/x
  3. Step 3: Cross multiply
    20,712,160,243.92x = 28,590,554,005.84 × 13,576,033,934.40
  4. Step 4: Simplify right side
    20,712,160,243.92x = 388,146,331,386,579,714,048
  5. Step 5: Solve for x
    x = 388,146,331,386,579,714,048/20,712,160,243.92
  6. Step 6: Final answer
    x = 18,740,021,649.87

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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.