Home / 47,029,756.67-70,567,746.12-21,140,350.01

Finding the Fourth Proportional to 47,029,756.67, 70,567,746.12 and 21,140,350.01

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Solution

The fourth proportional to 47,029,756.67, 70,567,746.12 and 21,140,350.01 is: 31,720,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029,756.67 : 70,567,746.12 = 21,140,350.01 : x
  2. Step 2: Convert to fraction form
    47,029,756.67/70,567,746.12 = 21,140,350.01/x
  3. Step 3: Cross multiply
    47,029,756.67x = 70,567,746.12 × 21,140,350.01
  4. Step 4: Simplify right side
    47,029,756.67x = 1,491,826,852,040,780.75
  5. Step 5: Solve for x
    x = 1,491,826,852,040,780.75/47,029,756.67
  6. Step 6: Final answer
    x = 31,720,913.69

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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.