Home / 13,806,885.79-19,049,280.18-8,004,509.65

Finding the Fourth Proportional to 13,806,885.79, 19,049,280.18 and 8,004,509.65

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Solution

The fourth proportional to 13,806,885.79, 19,049,280.18 and 8,004,509.65 is: 11,043,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,885.79 : 19,049,280.18 = 8,004,509.65 : x
  2. Step 2: Convert to fraction form
    13,806,885.79/19,049,280.18 = 8,004,509.65/x
  3. Step 3: Cross multiply
    13,806,885.79x = 19,049,280.18 × 8,004,509.65
  4. Step 4: Simplify right side
    13,806,885.79x = 152,480,146,931,117.31
  5. Step 5: Solve for x
    x = 152,480,146,931,117.31/13,806,885.79
  6. Step 6: Final answer
    x = 11,043,775.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.