Home / 21,384,188.80-32,076,283.20-5,210,011.60

Finding the Fourth Proportional to 21,384,188.80, 32,076,283.20 and 5,210,011.60

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Solution

The fourth proportional to 21,384,188.80, 32,076,283.20 and 5,210,011.60 is: 7,815,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,188.80 : 32,076,283.20 = 5,210,011.60 : x
  2. Step 2: Convert to fraction form
    21,384,188.80/32,076,283.20 = 5,210,011.60/x
  3. Step 3: Cross multiply
    21,384,188.80x = 32,076,283.20 × 5,210,011.60
  4. Step 4: Simplify right side
    21,384,188.80x = 167,117,807,556,885.09
  5. Step 5: Solve for x
    x = 167,117,807,556,885.09/21,384,188.80
  6. Step 6: Final answer
    x = 7,815,017.40

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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.