Home / 12,124,411.20-18,193,615.20-4,552,142.40

Finding the Fourth Proportional to 12,124,411.20, 18,193,615.20 and 4,552,142.40

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Solution

The fourth proportional to 12,124,411.20, 18,193,615.20 and 4,552,142.40 is: 6,830,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,411.20 : 18,193,615.20 = 4,552,142.40 : x
  2. Step 2: Convert to fraction form
    12,124,411.20/18,193,615.20 = 4,552,142.40/x
  3. Step 3: Cross multiply
    12,124,411.20x = 18,193,615.20 × 4,552,142.40
  4. Step 4: Simplify right side
    12,124,411.20x = 82,819,927,161,204.48
  5. Step 5: Solve for x
    x = 82,819,927,161,204.48/12,124,411.20
  6. Step 6: Final answer
    x = 6,830,841.17

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1.5x scale

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.