Home / 21,384,027.40-32,076,041.10-20,124,315.40

Finding the Fourth Proportional to 21,384,027.40, 32,076,041.10 and 20,124,315.40

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Solution

The fourth proportional to 21,384,027.40, 32,076,041.10 and 20,124,315.40 is: 30,186,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,027.40 : 32,076,041.10 = 20,124,315.40 : x
  2. Step 2: Convert to fraction form
    21,384,027.40/32,076,041.10 = 20,124,315.40/x
  3. Step 3: Cross multiply
    21,384,027.40x = 32,076,041.10 × 20,124,315.40
  4. Step 4: Simplify right side
    21,384,027.40x = 645,508,367,879,762.88
  5. Step 5: Solve for x
    x = 645,508,367,879,762.88/21,384,027.40
  6. Step 6: Final answer
    x = 30,186,473.10

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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.