Home / 7,647,210.98-10,553,383.59-5,415,985.82

Finding the Fourth Proportional to 7,647,210.98, 10,553,383.59 and 5,415,985.82

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Solution

The fourth proportional to 7,647,210.98, 10,553,383.59 and 5,415,985.82 is: 7,474,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,210.98 : 10,553,383.59 = 5,415,985.82 : x
  2. Step 2: Convert to fraction form
    7,647,210.98/10,553,383.59 = 5,415,985.82/x
  3. Step 3: Cross multiply
    7,647,210.98x = 10,553,383.59 × 5,415,985.82
  4. Step 4: Simplify right side
    7,647,210.98x = 57,156,975,882,534.20
  5. Step 5: Solve for x
    x = 57,156,975,882,534.20/7,647,210.98
  6. Step 6: Final answer
    x = 7,474,225.05

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1.5x scale

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.