Home / 21,384,000.80-32,076,001.20-13,306,097.60

Finding the Fourth Proportional to 21,384,000.80, 32,076,001.20 and 13,306,097.60

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Solution

The fourth proportional to 21,384,000.80, 32,076,001.20 and 13,306,097.60 is: 19,959,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,000.80 : 32,076,001.20 = 13,306,097.60 : x
  2. Step 2: Convert to fraction form
    21,384,000.80/32,076,001.20 = 13,306,097.60/x
  3. Step 3: Cross multiply
    21,384,000.80x = 32,076,001.20 × 13,306,097.60
  4. Step 4: Simplify right side
    21,384,000.80x = 426,806,402,584,917.12
  5. Step 5: Solve for x
    x = 426,806,402,584,917.12/21,384,000.80
  6. Step 6: Final answer
    x = 19,959,146.40

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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.