Home / 10,966,985.01-15,129,674.64-6,613,652.16

Finding the Fourth Proportional to 10,966,985.01, 15,129,674.64 and 6,613,652.16

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Solution

The fourth proportional to 10,966,985.01, 15,129,674.64 and 6,613,652.16 is: 9,123,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966,985.01 : 15,129,674.64 = 6,613,652.16 : x
  2. Step 2: Convert to fraction form
    10,966,985.01/15,129,674.64 = 6,613,652.16/x
  3. Step 3: Cross multiply
    10,966,985.01x = 15,129,674.64 × 6,613,652.16
  4. Step 4: Simplify right side
    10,966,985.01x = 100,062,405,362,933.23
  5. Step 5: Solve for x
    x = 100,062,405,362,933.23/10,966,985.01
  6. Step 6: Final answer
    x = 9,123,966.64

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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.