Home / 10,430,002.80-15,645,004.20-2,856,956.40

Finding the Fourth Proportional to 10,430,002.80, 15,645,004.20 and 2,856,956.40

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Solution

The fourth proportional to 10,430,002.80, 15,645,004.20 and 2,856,956.40 is: 4,285,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,002.80 : 15,645,004.20 = 2,856,956.40 : x
  2. Step 2: Convert to fraction form
    10,430,002.80/15,645,004.20 = 2,856,956.40/x
  3. Step 3: Cross multiply
    10,430,002.80x = 15,645,004.20 × 2,856,956.40
  4. Step 4: Simplify right side
    10,430,002.80x = 44,697,094,877,216.88
  5. Step 5: Solve for x
    x = 44,697,094,877,216.88/10,430,002.80
  6. Step 6: Final answer
    x = 4,285,434.60

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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.