Home / 19,872,056.80-29,808,085.20-16,281,877.60

Finding the Fourth Proportional to 19,872,056.80, 29,808,085.20 and 16,281,877.60

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Solution

The fourth proportional to 19,872,056.80, 29,808,085.20 and 16,281,877.60 is: 24,422,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,056.80 : 29,808,085.20 = 16,281,877.60 : x
  2. Step 2: Convert to fraction form
    19,872,056.80/29,808,085.20 = 16,281,877.60/x
  3. Step 3: Cross multiply
    19,872,056.80x = 29,808,085.20 × 16,281,877.60
  4. Step 4: Simplify right side
    19,872,056.80x = 485,331,594,716,771.50
  5. Step 5: Solve for x
    x = 485,331,594,716,771.50/19,872,056.80
  6. Step 6: Final answer
    x = 24,422,816.40

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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.