Home / 20,886,841.80-31,323,166.72-7,236,802.08

Finding the Fourth Proportional to 20,886,841.80, 31,323,166.72 and 7,236,802.08

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Solution

The fourth proportional to 20,886,841.80, 31,323,166.72 and 7,236,802.08 is: 10,852,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,841.80 : 31,323,166.72 = 7,236,802.08 : x
  2. Step 2: Convert to fraction form
    20,886,841.80/31,323,166.72 = 7,236,802.08/x
  3. Step 3: Cross multiply
    20,886,841.80x = 31,323,166.72 × 7,236,802.08
  4. Step 4: Simplify right side
    20,886,841.80x = 226,679,558,071,482.78
  5. Step 5: Solve for x
    x = 226,679,558,071,482.78/20,886,841.80
  6. Step 6: Final answer
    x = 10,852,744.53

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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.