Home / 13,911,161.40-20,862,754.47-4,688,129.61

Finding the Fourth Proportional to 13,911,161.40, 20,862,754.47 and 4,688,129.61

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Solution

The fourth proportional to 13,911,161.40, 20,862,754.47 and 4,688,129.61 is: 7,030,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911,161.40 : 20,862,754.47 = 4,688,129.61 : x
  2. Step 2: Convert to fraction form
    13,911,161.40/20,862,754.47 = 4,688,129.61/x
  3. Step 3: Cross multiply
    13,911,161.40x = 20,862,754.47 × 4,688,129.61
  4. Step 4: Simplify right side
    13,911,161.40x = 97,807,296,976,966.86
  5. Step 5: Solve for x
    x = 97,807,296,976,966.86/13,911,161.40
  6. Step 6: Final answer
    x = 7,030,850.56

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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.