Home / 6,663,721.21-9,995,581.98-1,615,031.71

Finding the Fourth Proportional to 6,663,721.21, 9,995,581.98 and 1,615,031.71

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Solution

The fourth proportional to 6,663,721.21, 9,995,581.98 and 1,615,031.71 is: 2,422,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,721.21 : 9,995,581.98 = 1,615,031.71 : x
  2. Step 2: Convert to fraction form
    6,663,721.21/9,995,581.98 = 1,615,031.71/x
  3. Step 3: Cross multiply
    6,663,721.21x = 9,995,581.98 × 1,615,031.71
  4. Step 4: Simplify right side
    6,663,721.21x = 16,143,181,857,604.59
  5. Step 5: Solve for x
    x = 16,143,181,857,604.59/6,663,721.21
  6. Step 6: Final answer
    x = 2,422,547.60

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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.