Home / 19,154,499.40-28,745,745.90-13,485,795.40

Finding the Fourth Proportional to 19,154,499.40, 28,745,745.90 and 13,485,795.40

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Solution

The fourth proportional to 19,154,499.40, 28,745,745.90 and 13,485,795.40 is: 20,238,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154,499.40 : 28,745,745.90 = 13,485,795.40 : x
  2. Step 2: Convert to fraction form
    19,154,499.40/28,745,745.90 = 13,485,795.40/x
  3. Step 3: Cross multiply
    19,154,499.40x = 28,745,745.90 × 13,485,795.40
  4. Step 4: Simplify right side
    19,154,499.40x = 387,659,247,827,788.88
  5. Step 5: Solve for x
    x = 387,659,247,827,788.88/19,154,499.40
  6. Step 6: Final answer
    x = 20,238,547.60

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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.