Home / 15,246,731,113.74-21,041,121,501.99-8,472,524,398.86

Finding the Fourth Proportional to 15,246,731,113.74, 21,041,121,501.99 and 8,472,524,398.86

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Solution

The fourth proportional to 15,246,731,113.74, 21,041,121,501.99 and 8,472,524,398.86 is: 11,692,435,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,731,113.74 : 21,041,121,501.99 = 8,472,524,398.86 : x
  2. Step 2: Convert to fraction form
    15,246,731,113.74/21,041,121,501.99 = 8,472,524,398.86/x
  3. Step 3: Cross multiply
    15,246,731,113.74x = 21,041,121,501.99 × 8,472,524,398.86
  4. Step 4: Simplify right side
    15,246,731,113.74x = 178,271,415,304,988,065,792
  5. Step 5: Solve for x
    x = 178,271,415,304,988,065,792/15,246,731,113.74
  6. Step 6: Final answer
    x = 11,692,435,183.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.