Home / 7,146,359.28-9,862,038.08-3,883,173.96

Finding the Fourth Proportional to 7,146,359.28, 9,862,038.08 and 3,883,173.96

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Solution

The fourth proportional to 7,146,359.28, 9,862,038.08 and 3,883,173.96 is: 5,358,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,359.28 : 9,862,038.08 = 3,883,173.96 : x
  2. Step 2: Convert to fraction form
    7,146,359.28/9,862,038.08 = 3,883,173.96/x
  3. Step 3: Cross multiply
    7,146,359.28x = 9,862,038.08 × 3,883,173.96
  4. Step 4: Simplify right side
    7,146,359.28x = 38,296,009,464,784.40
  5. Step 5: Solve for x
    x = 38,296,009,464,784.40/7,146,359.28
  6. Step 6: Final answer
    x = 5,358,813.90

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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.