Home / 10,388,488.28-14,335,665.71-5,742,031.82

Finding the Fourth Proportional to 10,388,488.28, 14,335,665.71 and 5,742,031.82

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Solution

The fourth proportional to 10,388,488.28, 14,335,665.71 and 5,742,031.82 is: 7,923,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,488.28 : 14,335,665.71 = 5,742,031.82 : x
  2. Step 2: Convert to fraction form
    10,388,488.28/14,335,665.71 = 5,742,031.82/x
  3. Step 3: Cross multiply
    10,388,488.28x = 14,335,665.71 × 5,742,031.82
  4. Step 4: Simplify right side
    10,388,488.28x = 82,315,848,567,314.41
  5. Step 5: Solve for x
    x = 82,315,848,567,314.41/10,388,488.28
  6. Step 6: Final answer
    x = 7,923,756.22

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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.