Home / 9,947,431.40-14,921,147.10-7,428,007.40

Finding the Fourth Proportional to 9,947,431.40, 14,921,147.10 and 7,428,007.40

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Solution

The fourth proportional to 9,947,431.40, 14,921,147.10 and 7,428,007.40 is: 11,142,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947,431.40 : 14,921,147.10 = 7,428,007.40 : x
  2. Step 2: Convert to fraction form
    9,947,431.40/14,921,147.10 = 7,428,007.40/x
  3. Step 3: Cross multiply
    9,947,431.40x = 14,921,147.10 × 7,428,007.40
  4. Step 4: Simplify right side
    9,947,431.40x = 110,834,391,075,288.55
  5. Step 5: Solve for x
    x = 110,834,391,075,288.55/9,947,431.40
  6. Step 6: Final answer
    x = 11,142,011.10

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Similar ratio
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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.