Home / 13,309,869.10-19,964,803.65-4,789,098.40

Finding the Fourth Proportional to 13,309,869.10, 19,964,803.65 and 4,789,098.40

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Solution

The fourth proportional to 13,309,869.10, 19,964,803.65 and 4,789,098.40 is: 7,183,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,869.10 : 19,964,803.65 = 4,789,098.40 : x
  2. Step 2: Convert to fraction form
    13,309,869.10/19,964,803.65 = 4,789,098.40/x
  3. Step 3: Cross multiply
    13,309,869.10x = 19,964,803.65 × 4,789,098.40
  4. Step 4: Simplify right side
    13,309,869.10x = 95,613,409,216,529.16
  5. Step 5: Solve for x
    x = 95,613,409,216,529.16/13,309,869.10
  6. Step 6: Final answer
    x = 7,183,647.60

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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.