Home / 13,285,430.10-19,928,145.15-4,764,659.40

Finding the Fourth Proportional to 13,285,430.10, 19,928,145.15 and 4,764,659.40

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Solution

The fourth proportional to 13,285,430.10, 19,928,145.15 and 4,764,659.40 is: 7,146,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,430.10 : 19,928,145.15 = 4,764,659.40 : x
  2. Step 2: Convert to fraction form
    13,285,430.10/19,928,145.15 = 4,764,659.40/x
  3. Step 3: Cross multiply
    13,285,430.10x = 19,928,145.15 × 4,764,659.40
  4. Step 4: Simplify right side
    13,285,430.10x = 94,950,824,113,511.91
  5. Step 5: Solve for x
    x = 94,950,824,113,511.91/13,285,430.10
  6. Step 6: Final answer
    x = 7,146,989.10

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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.