Home / 21,384,002.80-32,076,004.20-13,306,099.60

Finding the Fourth Proportional to 21,384,002.80, 32,076,004.20 and 13,306,099.60

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Solution

The fourth proportional to 21,384,002.80, 32,076,004.20 and 13,306,099.60 is: 19,959,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,002.80 : 32,076,004.20 = 13,306,099.60 : x
  2. Step 2: Convert to fraction form
    21,384,002.80/32,076,004.20 = 13,306,099.60/x
  3. Step 3: Cross multiply
    21,384,002.80x = 32,076,004.20 × 13,306,099.60
  4. Step 4: Simplify right side
    21,384,002.80x = 426,806,506,655,218.31
  5. Step 5: Solve for x
    x = 426,806,506,655,218.31/21,384,002.80
  6. Step 6: Final answer
    x = 19,959,149.40

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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.