Home / 52,592,888.69-78,830,712.79-21,870,262.61

Finding the Fourth Proportional to 52,592,888.69, 78,830,712.79 and 21,870,262.61

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Solution

The fourth proportional to 52,592,888.69, 78,830,712.79 and 21,870,262.61 is: 32,781,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,592,888.69 : 78,830,712.79 = 21,870,262.61 : x
  2. Step 2: Convert to fraction form
    52,592,888.69/78,830,712.79 = 21,870,262.61/x
  3. Step 3: Cross multiply
    52,592,888.69x = 78,830,712.79 × 21,870,262.61
  4. Step 4: Simplify right side
    52,592,888.69x = 1,724,048,390,450,786
  5. Step 5: Solve for x
    x = 1,724,048,390,450,786/52,592,888.69
  6. Step 6: Final answer
    x = 32,781,017.23

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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.