Home / 8,742,807.21-12,065,152.46-4,822,713.39

Finding the Fourth Proportional to 8,742,807.21, 12,065,152.46 and 4,822,713.39

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Solution

The fourth proportional to 8,742,807.21, 12,065,152.46 and 4,822,713.39 is: 6,655,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,807.21 : 12,065,152.46 = 4,822,713.39 : x
  2. Step 2: Convert to fraction form
    8,742,807.21/12,065,152.46 = 4,822,713.39/x
  3. Step 3: Cross multiply
    8,742,807.21x = 12,065,152.46 × 4,822,713.39
  4. Step 4: Simplify right side
    8,742,807.21x = 58,186,772,297,119.87
  5. Step 5: Solve for x
    x = 58,186,772,297,119.87/8,742,807.21
  6. Step 6: Final answer
    x = 6,655,387.78

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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.