Home / 20,121,607.80-30,182,411.70-14,494,894.20

Finding the Fourth Proportional to 20,121,607.80, 30,182,411.70 and 14,494,894.20

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Solution

The fourth proportional to 20,121,607.80, 30,182,411.70 and 14,494,894.20 is: 21,742,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,607.80 : 30,182,411.70 = 14,494,894.20 : x
  2. Step 2: Convert to fraction form
    20,121,607.80/30,182,411.70 = 14,494,894.20/x
  3. Step 3: Cross multiply
    20,121,607.80x = 30,182,411.70 × 14,494,894.20
  4. Step 4: Simplify right side
    20,121,607.80x = 437,490,864,292,342.12
  5. Step 5: Solve for x
    x = 437,490,864,292,342.12/20,121,607.80
  6. Step 6: Final answer
    x = 21,742,341.30

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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.