Home / 10,430,000.30-15,645,000.45-2,856,953.90

Finding the Fourth Proportional to 10,430,000.30, 15,645,000.45 and 2,856,953.90

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Solution

The fourth proportional to 10,430,000.30, 15,645,000.45 and 2,856,953.90 is: 4,285,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,000.30 : 15,645,000.45 = 2,856,953.90 : x
  2. Step 2: Convert to fraction form
    10,430,000.30/15,645,000.45 = 2,856,953.90/x
  3. Step 3: Cross multiply
    10,430,000.30x = 15,645,000.45 × 2,856,953.90
  4. Step 4: Simplify right side
    10,430,000.30x = 44,697,045,051,129.25
  5. Step 5: Solve for x
    x = 44,697,045,051,129.25/10,430,000.30
  6. Step 6: Final answer
    x = 4,285,430.85

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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.