Home / 40,570,987.50-60,855,831.32-12,904,503.21

Finding the Fourth Proportional to 40,570,987.50, 60,855,831.32 and 12,904,503.21

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Solution

The fourth proportional to 40,570,987.50, 60,855,831.32 and 12,904,503.21 is: 19,356,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570,987.50 : 60,855,831.32 = 12,904,503.21 : x
  2. Step 2: Convert to fraction form
    40,570,987.50/60,855,831.32 = 12,904,503.21/x
  3. Step 3: Cross multiply
    40,570,987.50x = 60,855,831.32 × 12,904,503.21
  4. Step 4: Simplify right side
    40,570,987.50x = 785,314,270,551,636
  5. Step 5: Solve for x
    x = 785,314,270,551,636/40,570,987.50
  6. Step 6: Final answer
    x = 19,356,548.09

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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.