Home / 18,229,127.92-25,136,165.10-11,700,291.40

Finding the Fourth Proportional to 18,229,127.92, 25,136,165.10 and 11,700,291.40

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Solution

The fourth proportional to 18,229,127.92, 25,136,165.10 and 11,700,291.40 is: 16,133,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229,127.92 : 25,136,165.10 = 11,700,291.40 : x
  2. Step 2: Convert to fraction form
    18,229,127.92/25,136,165.10 = 11,700,291.40/x
  3. Step 3: Cross multiply
    18,229,127.92x = 25,136,165.10 × 11,700,291.40
  4. Step 4: Simplify right side
    18,229,127.92x = 294,100,456,348,510.19
  5. Step 5: Solve for x
    x = 294,100,456,348,510.19/18,229,127.92
  6. Step 6: Final answer
    x = 16,133,545.04

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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.