Home / 13,047,479.66-18,005,564.22-7,246,261.01

Finding the Fourth Proportional to 13,047,479.66, 18,005,564.22 and 7,246,261.01

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Solution

The fourth proportional to 13,047,479.66, 18,005,564.22 and 7,246,261.01 is: 9,999,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,479.66 : 18,005,564.22 = 7,246,261.01 : x
  2. Step 2: Convert to fraction form
    13,047,479.66/18,005,564.22 = 7,246,261.01/x
  3. Step 3: Cross multiply
    13,047,479.66x = 18,005,564.22 × 7,246,261.01
  4. Step 4: Simplify right side
    13,047,479.66x = 130,473,017,988,277.48
  5. Step 5: Solve for x
    x = 130,473,017,988,277.48/13,047,479.66
  6. Step 6: Final answer
    x = 9,999,863.68

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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.