Home / 47,798,053.05-71,696,970.21-20,486,636.67

Finding the Fourth Proportional to 47,798,053.05, 71,696,970.21 and 20,486,636.67

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Solution

The fourth proportional to 47,798,053.05, 71,696,970.21 and 20,486,636.67 is: 30,729,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,053.05 : 71,696,970.21 = 20,486,636.67 : x
  2. Step 2: Convert to fraction form
    47,798,053.05/71,696,970.21 = 20,486,636.67/x
  3. Step 3: Cross multiply
    47,798,053.05x = 71,696,970.21 × 20,486,636.67
  4. Step 4: Simplify right side
    47,798,053.05x = 1,468,829,779,032,083.50
  5. Step 5: Solve for x
    x = 1,468,829,779,032,083.50/47,798,053.05
  6. Step 6: Final answer
    x = 30,729,908.13

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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.