Home / 9,966,389.55-14,950,830.91-3,900,337.72

Finding the Fourth Proportional to 9,966,389.55, 14,950,830.91 and 3,900,337.72

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Solution

The fourth proportional to 9,966,389.55, 14,950,830.91 and 3,900,337.72 is: 5,850,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,389.55 : 14,950,830.91 = 3,900,337.72 : x
  2. Step 2: Convert to fraction form
    9,966,389.55/14,950,830.91 = 3,900,337.72/x
  3. Step 3: Cross multiply
    9,966,389.55x = 14,950,830.91 × 3,900,337.72
  4. Step 4: Simplify right side
    9,966,389.55x = 58,313,289,703,800.13
  5. Step 5: Solve for x
    x = 58,313,289,703,800.13/9,966,389.55
  6. Step 6: Final answer
    x = 5,850,994.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.