Home / 10,404,416.40-15,606,624.60-7,884,992.40

Finding the Fourth Proportional to 10,404,416.40, 15,606,624.60 and 7,884,992.40

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Solution

The fourth proportional to 10,404,416.40, 15,606,624.60 and 7,884,992.40 is: 11,827,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404,416.40 : 15,606,624.60 = 7,884,992.40 : x
  2. Step 2: Convert to fraction form
    10,404,416.40/15,606,624.60 = 7,884,992.40/x
  3. Step 3: Cross multiply
    10,404,416.40x = 15,606,624.60 × 7,884,992.40
  4. Step 4: Simplify right side
    10,404,416.40x = 123,058,116,360,653.05
  5. Step 5: Solve for x
    x = 123,058,116,360,653.05/10,404,416.40
  6. Step 6: Final answer
    x = 11,827,488.60

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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.