Home / 48,388,831.20-72,583,246.80-12,487,039.20

Finding the Fourth Proportional to 48,388,831.20, 72,583,246.80 and 12,487,039.20

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Solution

The fourth proportional to 48,388,831.20, 72,583,246.80 and 12,487,039.20 is: 18,730,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,831.20 : 72,583,246.80 = 12,487,039.20 : x
  2. Step 2: Convert to fraction form
    48,388,831.20/72,583,246.80 = 12,487,039.20/x
  3. Step 3: Cross multiply
    48,388,831.20x = 72,583,246.80 × 12,487,039.20
  4. Step 4: Simplify right side
    48,388,831.20x = 906,349,848,054,874.50
  5. Step 5: Solve for x
    x = 906,349,848,054,874.50/48,388,831.20
  6. Step 6: Final answer
    x = 18,730,558.80

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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.