Home / 7,447,427.10-11,171,140.65-7,101,006.30

Finding the Fourth Proportional to 7,447,427.10, 11,171,140.65 and 7,101,006.30

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Solution

The fourth proportional to 7,447,427.10, 11,171,140.65 and 7,101,006.30 is: 10,651,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,427.10 : 11,171,140.65 = 7,101,006.30 : x
  2. Step 2: Convert to fraction form
    7,447,427.10/11,171,140.65 = 7,101,006.30/x
  3. Step 3: Cross multiply
    7,447,427.10x = 11,171,140.65 × 7,101,006.30
  4. Step 4: Simplify right side
    7,447,427.10x = 79,326,340,133,836.09
  5. Step 5: Solve for x
    x = 79,326,340,133,836.09/7,447,427.10
  6. Step 6: Final answer
    x = 10,651,509.45

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Double scale
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Similar ratio
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1.5x scale

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.