Home / 30,832,875.88-46,255,146.88-12,390,256.52

Finding the Fourth Proportional to 30,832,875.88, 46,255,146.88 and 12,390,256.52

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Solution

The fourth proportional to 30,832,875.88, 46,255,146.88 and 12,390,256.52 is: 18,587,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832,875.88 : 46,255,146.88 = 12,390,256.52 : x
  2. Step 2: Convert to fraction form
    30,832,875.88/46,255,146.88 = 12,390,256.52/x
  3. Step 3: Cross multiply
    30,832,875.88x = 46,255,146.88 × 12,390,256.52
  4. Step 4: Simplify right side
    30,832,875.88x = 573,113,135,213,477.62
  5. Step 5: Solve for x
    x = 573,113,135,213,477.62/30,832,875.88
  6. Step 6: Final answer
    x = 18,587,728.81

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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.