Home / 19,702,430-27,189,095.86-11,000,750.72

Finding the Fourth Proportional to 19,702,430, 27,189,095.86 and 11,000,750.72

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Solution

The fourth proportional to 19,702,430, 27,189,095.86 and 11,000,750.72 is: 15,180,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702,430 : 27,189,095.86 = 11,000,750.72 : x
  2. Step 2: Convert to fraction form
    19,702,430/27,189,095.86 = 11,000,750.72/x
  3. Step 3: Cross multiply
    19,702,430x = 27,189,095.86 × 11,000,750.72
  4. Step 4: Simplify right side
    19,702,430x = 299,100,465,858,044
  5. Step 5: Solve for x
    x = 299,100,465,858,044/19,702,430
  6. Step 6: Final answer
    x = 15,180,892.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.