Home / 15,406,152.62-21,260,230.80-8,530,487.06

Finding the Fourth Proportional to 15,406,152.62, 21,260,230.80 and 8,530,487.06

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Solution

The fourth proportional to 15,406,152.62, 21,260,230.80 and 8,530,487.06 is: 11,771,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,152.62 : 21,260,230.80 = 8,530,487.06 : x
  2. Step 2: Convert to fraction form
    15,406,152.62/21,260,230.80 = 8,530,487.06/x
  3. Step 3: Cross multiply
    15,406,152.62x = 21,260,230.80 × 8,530,487.06
  4. Step 4: Simplify right side
    15,406,152.62x = 181,360,123,732,013.47
  5. Step 5: Solve for x
    x = 181,360,123,732,013.47/15,406,152.62
  6. Step 6: Final answer
    x = 11,771,928.28

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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.