Home / 9,378,545.18-12,942,114.26-5,192,416.64

Finding the Fourth Proportional to 9,378,545.18, 12,942,114.26 and 5,192,416.64

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Solution

The fourth proportional to 9,378,545.18, 12,942,114.26 and 5,192,416.64 is: 7,165,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,545.18 : 12,942,114.26 = 5,192,416.64 : x
  2. Step 2: Convert to fraction form
    9,378,545.18/12,942,114.26 = 5,192,416.64/x
  3. Step 3: Cross multiply
    9,378,545.18x = 12,942,114.26 × 5,192,416.64
  4. Step 4: Simplify right side
    9,378,545.18x = 67,200,849,446,798.49
  5. Step 5: Solve for x
    x = 67,200,849,446,798.49/9,378,545.18
  6. Step 6: Final answer
    x = 7,165,381.00

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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.