Home / 20,607,113.22-30,911,510.45-5,254,801.05

Finding the Fourth Proportional to 20,607,113.22, 30,911,510.45 and 5,254,801.05

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Solution

The fourth proportional to 20,607,113.22, 30,911,510.45 and 5,254,801.05 is: 7,882,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607,113.22 : 30,911,510.45 = 5,254,801.05 : x
  2. Step 2: Convert to fraction form
    20,607,113.22/30,911,510.45 = 5,254,801.05/x
  3. Step 3: Cross multiply
    20,607,113.22x = 30,911,510.45 × 5,254,801.05
  4. Step 4: Simplify right side
    20,607,113.22x = 162,433,837,582,882.97
  5. Step 5: Solve for x
    x = 162,433,837,582,882.97/20,607,113.22
  6. Step 6: Final answer
    x = 7,882,415.93

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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.