Home / 30,476,209.86-45,714,403.47-12,964,255.17

Finding the Fourth Proportional to 30,476,209.86, 45,714,403.47 and 12,964,255.17

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Solution

The fourth proportional to 30,476,209.86, 45,714,403.47 and 12,964,255.17 is: 19,446,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476,209.86 : 45,714,403.47 = 12,964,255.17 : x
  2. Step 2: Convert to fraction form
    30,476,209.86/45,714,403.47 = 12,964,255.17/x
  3. Step 3: Cross multiply
    30,476,209.86x = 45,714,403.47 × 12,964,255.17
  4. Step 4: Simplify right side
    30,476,209.86x = 592,653,191,590,820
  5. Step 5: Solve for x
    x = 592,653,191,590,820/30,476,209.86
  6. Step 6: Final answer
    x = 19,446,420.48

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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.