Home / 7,103,995.35-10,656,666.38-1,986,425.24

Finding the Fourth Proportional to 7,103,995.35, 10,656,666.38 and 1,986,425.24

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Solution

The fourth proportional to 7,103,995.35, 10,656,666.38 and 1,986,425.24 is: 2,979,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,995.35 : 10,656,666.38 = 1,986,425.24 : x
  2. Step 2: Convert to fraction form
    7,103,995.35/10,656,666.38 = 1,986,425.24/x
  3. Step 3: Cross multiply
    7,103,995.35x = 10,656,666.38 × 1,986,425.24
  4. Step 4: Simplify right side
    7,103,995.35x = 21,168,671,071,320.96
  5. Step 5: Solve for x
    x = 21,168,671,071,320.96/7,103,995.35
  6. Step 6: Final answer
    x = 2,979,826.15

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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.