Home / 10,404,423.40-15,606,635.10-7,884,999.40

Finding the Fourth Proportional to 10,404,423.40, 15,606,635.10 and 7,884,999.40

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Solution

The fourth proportional to 10,404,423.40, 15,606,635.10 and 7,884,999.40 is: 11,827,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404,423.40 : 15,606,635.10 = 7,884,999.40 : x
  2. Step 2: Convert to fraction form
    10,404,423.40/15,606,635.10 = 7,884,999.40/x
  3. Step 3: Cross multiply
    10,404,423.40x = 15,606,635.10 × 7,884,999.40
  4. Step 4: Simplify right side
    10,404,423.40x = 123,058,308,399,518.94
  5. Step 5: Solve for x
    x = 123,058,308,399,518.94/10,404,423.40
  6. Step 6: Final answer
    x = 11,827,499.10

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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.