Home / 7,870,223.25-10,865,632.01-5,158,693.17

Finding the Fourth Proportional to 7,870,223.25, 10,865,632.01 and 5,158,693.17

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Solution

The fourth proportional to 7,870,223.25, 10,865,632.01 and 5,158,693.17 is: 7,122,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,223.25 : 10,865,632.01 = 5,158,693.17 : x
  2. Step 2: Convert to fraction form
    7,870,223.25/10,865,632.01 = 5,158,693.17/x
  3. Step 3: Cross multiply
    7,870,223.25x = 10,865,632.01 × 5,158,693.17
  4. Step 4: Simplify right side
    7,870,223.25x = 56,052,461,611,926.91
  5. Step 5: Solve for x
    x = 56,052,461,611,926.91/7,870,223.25
  6. Step 6: Final answer
    x = 7,122,092.96

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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.