Home / 13,618,583.98-18,793,492.88-7,423,495.05

Finding the Fourth Proportional to 13,618,583.98, 18,793,492.88 and 7,423,495.05

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Solution

The fourth proportional to 13,618,583.98, 18,793,492.88 and 7,423,495.05 is: 10,244,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,583.98 : 18,793,492.88 = 7,423,495.05 : x
  2. Step 2: Convert to fraction form
    13,618,583.98/18,793,492.88 = 7,423,495.05/x
  3. Step 3: Cross multiply
    13,618,583.98x = 18,793,492.88 × 7,423,495.05
  4. Step 4: Simplify right side
    13,618,583.98x = 139,513,401,362,715.77
  5. Step 5: Solve for x
    x = 139,513,401,362,715.77/13,618,583.98
  6. Step 6: Final answer
    x = 10,244,339.76

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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.