Home / 15,406,051.50-21,260,091.18-8,530,385.94

Finding the Fourth Proportional to 15,406,051.50, 21,260,091.18 and 8,530,385.94

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Solution

The fourth proportional to 15,406,051.50, 21,260,091.18 and 8,530,385.94 is: 11,771,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,051.50 : 21,260,091.18 = 8,530,385.94 : x
  2. Step 2: Convert to fraction form
    15,406,051.50/21,260,091.18 = 8,530,385.94/x
  3. Step 3: Cross multiply
    15,406,051.50x = 21,260,091.18 × 8,530,385.94
  4. Step 4: Simplify right side
    15,406,051.50x = 181,356,782,884,990
  5. Step 5: Solve for x
    x = 181,356,782,884,990/15,406,051.50
  6. Step 6: Final answer
    x = 11,771,788.70

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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.