Home / 13,354,972.80-20,032,459.20-8,316,124.80

Finding the Fourth Proportional to 13,354,972.80, 20,032,459.20 and 8,316,124.80

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Solution

The fourth proportional to 13,354,972.80, 20,032,459.20 and 8,316,124.80 is: 12,474,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354,972.80 : 20,032,459.20 = 8,316,124.80 : x
  2. Step 2: Convert to fraction form
    13,354,972.80/20,032,459.20 = 8,316,124.80/x
  3. Step 3: Cross multiply
    13,354,972.80x = 20,032,459.20 × 8,316,124.80
  4. Step 4: Simplify right side
    13,354,972.80x = 166,592,430,758,108.16
  5. Step 5: Solve for x
    x = 166,592,430,758,108.16/13,354,972.80
  6. Step 6: Final answer
    x = 12,474,187.20

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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.