Home / 13,057,522.50-18,000,389.74-9,125,069.46

Finding the Fourth Proportional to 13,057,522.50, 18,000,389.74 and 9,125,069.46

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Solution

The fourth proportional to 13,057,522.50, 18,000,389.74 and 9,125,069.46 is: 12,579,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,522.50 : 18,000,389.74 = 9,125,069.46 : x
  2. Step 2: Convert to fraction form
    13,057,522.50/18,000,389.74 = 9,125,069.46/x
  3. Step 3: Cross multiply
    13,057,522.50x = 18,000,389.74 × 9,125,069.46
  4. Step 4: Simplify right side
    13,057,522.50x = 164,254,806,684,571.34
  5. Step 5: Solve for x
    x = 164,254,806,684,571.34/13,057,522.50
  6. Step 6: Final answer
    x = 12,579,324.04

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1.5x scale

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.