Home / 19,346,040.18-28,997,060.16-10,109,771.78

Finding the Fourth Proportional to 19,346,040.18, 28,997,060.16 and 10,109,771.78

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Solution

The fourth proportional to 19,346,040.18, 28,997,060.16 and 10,109,771.78 is: 15,153,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346,040.18 : 28,997,060.16 = 10,109,771.78 : x
  2. Step 2: Convert to fraction form
    19,346,040.18/28,997,060.16 = 10,109,771.78/x
  3. Step 3: Cross multiply
    19,346,040.18x = 28,997,060.16 × 10,109,771.78
  4. Step 4: Simplify right side
    19,346,040.18x = 293,153,660,508,530.25
  5. Step 5: Solve for x
    x = 293,153,660,508,530.25/19,346,040.18
  6. Step 6: Final answer
    x = 15,153,160.95

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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.