Home / 18,672,000.90-28,008,001.35-16,280,516.40

Finding the Fourth Proportional to 18,672,000.90, 28,008,001.35 and 16,280,516.40

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Solution

The fourth proportional to 18,672,000.90, 28,008,001.35 and 16,280,516.40 is: 24,420,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672,000.90 : 28,008,001.35 = 16,280,516.40 : x
  2. Step 2: Convert to fraction form
    18,672,000.90/28,008,001.35 = 16,280,516.40/x
  3. Step 3: Cross multiply
    18,672,000.90x = 28,008,001.35 × 16,280,516.40
  4. Step 4: Simplify right side
    18,672,000.90x = 455,984,725,309,897.19
  5. Step 5: Solve for x
    x = 455,984,725,309,897.19/18,672,000.90
  6. Step 6: Final answer
    x = 24,420,774.60

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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.