Home / 21,384,088.10-32,076,132.15-20,124,376.10

Finding the Fourth Proportional to 21,384,088.10, 32,076,132.15 and 20,124,376.10

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Solution

The fourth proportional to 21,384,088.10, 32,076,132.15 and 20,124,376.10 is: 30,186,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,088.10 : 32,076,132.15 = 20,124,376.10 : x
  2. Step 2: Convert to fraction form
    21,384,088.10/32,076,132.15 = 20,124,376.10/x
  3. Step 3: Cross multiply
    21,384,088.10x = 32,076,132.15 × 20,124,376.10
  4. Step 4: Simplify right side
    21,384,088.10x = 645,512,147,219,901.62
  5. Step 5: Solve for x
    x = 645,512,147,219,901.62/21,384,088.10
  6. Step 6: Final answer
    x = 30,186,564.15

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1.5x scale

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.