Home / 21,506,412.80-32,259,619.20-16,131,641.60

Finding the Fourth Proportional to 21,506,412.80, 32,259,619.20 and 16,131,641.60

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Solution

The fourth proportional to 21,506,412.80, 32,259,619.20 and 16,131,641.60 is: 24,197,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,412.80 : 32,259,619.20 = 16,131,641.60 : x
  2. Step 2: Convert to fraction form
    21,506,412.80/32,259,619.20 = 16,131,641.60/x
  3. Step 3: Cross multiply
    21,506,412.80x = 32,259,619.20 × 16,131,641.60
  4. Step 4: Simplify right side
    21,506,412.80x = 520,400,615,086,878.69
  5. Step 5: Solve for x
    x = 520,400,615,086,878.69/21,506,412.80
  6. Step 6: Final answer
    x = 24,197,462.40

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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.