Home / 13,031,269.20-19,553,902.20-5,459,000.40

Finding the Fourth Proportional to 13,031,269.20, 19,553,902.20 and 5,459,000.40

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Solution

The fourth proportional to 13,031,269.20, 19,553,902.20 and 5,459,000.40 is: 8,191,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,269.20 : 19,553,902.20 = 5,459,000.40 : x
  2. Step 2: Convert to fraction form
    13,031,269.20/19,553,902.20 = 5,459,000.40/x
  3. Step 3: Cross multiply
    13,031,269.20x = 19,553,902.20 × 5,459,000.40
  4. Step 4: Simplify right side
    13,031,269.20x = 106,744,759,931,360.89
  5. Step 5: Solve for x
    x = 106,744,759,931,360.89/13,031,269.20
  6. Step 6: Final answer
    x = 8,191,432.34

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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.