Home / 9,966,875.40-14,950,313.10-5,431,912.20

Finding the Fourth Proportional to 9,966,875.40, 14,950,313.10 and 5,431,912.20

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Solution

The fourth proportional to 9,966,875.40, 14,950,313.10 and 5,431,912.20 is: 8,147,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,875.40 : 14,950,313.10 = 5,431,912.20 : x
  2. Step 2: Convert to fraction form
    9,966,875.40/14,950,313.10 = 5,431,912.20/x
  3. Step 3: Cross multiply
    9,966,875.40x = 14,950,313.10 × 5,431,912.20
  4. Step 4: Simplify right side
    9,966,875.40x = 81,208,788,121,709.83
  5. Step 5: Solve for x
    x = 81,208,788,121,709.83/9,966,875.40
  6. Step 6: Final answer
    x = 8,147,868.30

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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.