Home / 18,452,031.40-27,678,047.10-4,805,151.40

Finding the Fourth Proportional to 18,452,031.40, 27,678,047.10 and 4,805,151.40

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Solution

The fourth proportional to 18,452,031.40, 27,678,047.10 and 4,805,151.40 is: 7,207,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,031.40 : 27,678,047.10 = 4,805,151.40 : x
  2. Step 2: Convert to fraction form
    18,452,031.40/27,678,047.10 = 4,805,151.40/x
  3. Step 3: Cross multiply
    18,452,031.40x = 27,678,047.10 × 4,805,151.40
  4. Step 4: Simplify right side
    18,452,031.40x = 132,997,206,771,830.95
  5. Step 5: Solve for x
    x = 132,997,206,771,830.95/18,452,031.40
  6. Step 6: Final answer
    x = 7,207,727.10

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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.