Home / 47,798,595.05-71,697,783.21-20,487,178.67

Finding the Fourth Proportional to 47,798,595.05, 71,697,783.21 and 20,487,178.67

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Solution

The fourth proportional to 47,798,595.05, 71,697,783.21 and 20,487,178.67 is: 30,730,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,595.05 : 71,697,783.21 = 20,487,178.67 : x
  2. Step 2: Convert to fraction form
    47,798,595.05/71,697,783.21 = 20,487,178.67/x
  3. Step 3: Cross multiply
    47,798,595.05x = 71,697,783.21 × 20,487,178.67
  4. Step 4: Simplify right side
    47,798,595.05x = 1,468,885,294,866,196
  5. Step 5: Solve for x
    x = 1,468,885,294,866,196/47,798,595.05
  6. Step 6: Final answer
    x = 30,730,721.13

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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.