Home / 7,784,742.06-10,742,901.28-4,300,320.54

Finding the Fourth Proportional to 7,784,742.06, 10,742,901.28 and 4,300,320.54

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Solution

The fourth proportional to 7,784,742.06, 10,742,901.28 and 4,300,320.54 is: 5,934,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784,742.06 : 10,742,901.28 = 4,300,320.54 : x
  2. Step 2: Convert to fraction form
    7,784,742.06/10,742,901.28 = 4,300,320.54/x
  3. Step 3: Cross multiply
    7,784,742.06x = 10,742,901.28 × 4,300,320.54
  4. Step 4: Simplify right side
    7,784,742.06x = 46,197,919,033,576.29
  5. Step 5: Solve for x
    x = 46,197,919,033,576.29/7,784,742.06
  6. Step 6: Final answer
    x = 5,934,418.72

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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.