Home / 13,881,345.21-20,808,426.87-5,796,632.93

Finding the Fourth Proportional to 13,881,345.21, 20,808,426.87 and 5,796,632.93

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Solution

The fourth proportional to 13,881,345.21, 20,808,426.87 and 5,796,632.93 is: 8,689,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881,345.21 : 20,808,426.87 = 5,796,632.93 : x
  2. Step 2: Convert to fraction form
    13,881,345.21/20,808,426.87 = 5,796,632.93/x
  3. Step 3: Cross multiply
    13,881,345.21x = 20,808,426.87 × 5,796,632.93
  4. Step 4: Simplify right side
    13,881,345.21x = 120,618,812,312,096.70
  5. Step 5: Solve for x
    x = 120,618,812,312,096.70/13,881,345.21
  6. Step 6: Final answer
    x = 8,689,274.02

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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.