Home / 14,489,345.92-19,995,776.76-7,963,206.72

Finding the Fourth Proportional to 14,489,345.92, 19,995,776.76 and 7,963,206.72

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Solution

The fourth proportional to 14,489,345.92, 19,995,776.76 and 7,963,206.72 is: 10,989,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,345.92 : 19,995,776.76 = 7,963,206.72 : x
  2. Step 2: Convert to fraction form
    14,489,345.92/19,995,776.76 = 7,963,206.72/x
  3. Step 3: Cross multiply
    14,489,345.92x = 19,995,776.76 × 7,963,206.72
  4. Step 4: Simplify right side
    14,489,345.92x = 159,230,503,866,851.84
  5. Step 5: Solve for x
    x = 159,230,503,866,851.84/14,489,345.92
  6. Step 6: Final answer
    x = 10,989,488.74

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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.