Home / 9,990,159.20-13,786,436.64-5,406,484.16

Finding the Fourth Proportional to 9,990,159.20, 13,786,436.64 and 5,406,484.16

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Solution

The fourth proportional to 9,990,159.20, 13,786,436.64 and 5,406,484.16 is: 7,460,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,159.20 : 13,786,436.64 = 5,406,484.16 : x
  2. Step 2: Convert to fraction form
    9,990,159.20/13,786,436.64 = 5,406,484.16/x
  3. Step 3: Cross multiply
    9,990,159.20x = 13,786,436.64 × 5,406,484.16
  4. Step 4: Simplify right side
    9,990,159.20x = 74,536,151,317,003.62
  5. Step 5: Solve for x
    x = 74,536,151,317,003.62/9,990,159.20
  6. Step 6: Final answer
    x = 7,460,957.31

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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.