Home / 7,670,988.78-10,586,218.78-4,186,518.36

Finding the Fourth Proportional to 7,670,988.78, 10,586,218.78 and 4,186,518.36

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Solution

The fourth proportional to 7,670,988.78, 10,586,218.78 and 4,186,518.36 is: 5,777,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,988.78 : 10,586,218.78 = 4,186,518.36 : x
  2. Step 2: Convert to fraction form
    7,670,988.78/10,586,218.78 = 4,186,518.36/x
  3. Step 3: Cross multiply
    7,670,988.78x = 10,586,218.78 × 4,186,518.36
  4. Step 4: Simplify right side
    7,670,988.78x = 44,319,399,285,446.80
  5. Step 5: Solve for x
    x = 44,319,399,285,446.80/7,670,988.78
  6. Step 6: Final answer
    x = 5,777,534.10

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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.