Home / 12,326,154.10-18,487,831.47-4,752,485.62

Finding the Fourth Proportional to 12,326,154.10, 18,487,831.47 and 4,752,485.62

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Solution

The fourth proportional to 12,326,154.10, 18,487,831.47 and 4,752,485.62 is: 7,128,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326,154.10 : 18,487,831.47 = 4,752,485.62 : x
  2. Step 2: Convert to fraction form
    12,326,154.10/18,487,831.47 = 4,752,485.62/x
  3. Step 3: Cross multiply
    12,326,154.10x = 18,487,831.47 × 4,752,485.62
  4. Step 4: Simplify right side
    12,326,154.10x = 87,863,153,206,158.45
  5. Step 5: Solve for x
    x = 87,863,153,206,158.45/12,326,154.10
  6. Step 6: Final answer
    x = 7,128,188.77

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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.