Home / 9,980,429.40-14,945,760.90-7,989,773.40

Finding the Fourth Proportional to 9,980,429.40, 14,945,760.90 and 7,989,773.40

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Solution

The fourth proportional to 9,980,429.40, 14,945,760.90 and 7,989,773.40 is: 11,964,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,429.40 : 14,945,760.90 = 7,989,773.40 : x
  2. Step 2: Convert to fraction form
    9,980,429.40/14,945,760.90 = 7,989,773.40/x
  3. Step 3: Cross multiply
    9,980,429.40x = 14,945,760.90 × 7,989,773.40
  4. Step 4: Simplify right side
    9,980,429.40x = 119,413,242,881,580.06
  5. Step 5: Solve for x
    x = 119,413,242,881,580.06/9,980,429.40
  6. Step 6: Final answer
    x = 11,964,740.00

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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.