Home / 17,280,200.10-25,920,300.15-11,905,428.90

Finding the Fourth Proportional to 17,280,200.10, 25,920,300.15 and 11,905,428.90

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Solution

The fourth proportional to 17,280,200.10, 25,920,300.15 and 11,905,428.90 is: 17,858,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,200.10 : 25,920,300.15 = 11,905,428.90 : x
  2. Step 2: Convert to fraction form
    17,280,200.10/25,920,300.15 = 11,905,428.90/x
  3. Step 3: Cross multiply
    17,280,200.10x = 25,920,300.15 × 11,905,428.90
  4. Step 4: Simplify right side
    17,280,200.10x = 308,592,290,502,484.31
  5. Step 5: Solve for x
    x = 308,592,290,502,484.31/17,280,200.10
  6. Step 6: Final answer
    x = 17,858,143.35

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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.