Home / 21,054,517.80-31,581,776.70-6,678,710.70

Finding the Fourth Proportional to 21,054,517.80, 31,581,776.70 and 6,678,710.70

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Solution

The fourth proportional to 21,054,517.80, 31,581,776.70 and 6,678,710.70 is: 10,018,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,517.80 : 31,581,776.70 = 6,678,710.70 : x
  2. Step 2: Convert to fraction form
    21,054,517.80/31,581,776.70 = 6,678,710.70/x
  3. Step 3: Cross multiply
    21,054,517.80x = 31,581,776.70 × 6,678,710.70
  4. Step 4: Simplify right side
    21,054,517.80x = 210,925,549,971,300.69
  5. Step 5: Solve for x
    x = 210,925,549,971,300.69/21,054,517.80
  6. Step 6: Final answer
    x = 10,018,066.05

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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.