Home / 13,178,564.64-19,780,629.84-6,359,936.40

Finding the Fourth Proportional to 13,178,564.64, 19,780,629.84 and 6,359,936.40

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Solution

The fourth proportional to 13,178,564.64, 19,780,629.84 and 6,359,936.40 is: 9,546,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,564.64 : 19,780,629.84 = 6,359,936.40 : x
  2. Step 2: Convert to fraction form
    13,178,564.64/19,780,629.84 = 6,359,936.40/x
  3. Step 3: Cross multiply
    13,178,564.64x = 19,780,629.84 × 6,359,936.40
  4. Step 4: Simplify right side
    13,178,564.64x = 125,803,547,734,342.19
  5. Step 5: Solve for x
    x = 125,803,547,734,342.19/13,178,564.64
  6. Step 6: Final answer
    x = 9,546,073.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.