Home / 47,363,670.47-71,073,848.32-20,437,326.47

Finding the Fourth Proportional to 47,363,670.47, 71,073,848.32 and 20,437,326.47

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Solution

The fourth proportional to 47,363,670.47, 71,073,848.32 and 20,437,326.47 is: 30,668,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,363,670.47 : 71,073,848.32 = 20,437,326.47 : x
  2. Step 2: Convert to fraction form
    47,363,670.47/71,073,848.32 = 20,437,326.47/x
  3. Step 3: Cross multiply
    47,363,670.47x = 71,073,848.32 × 20,437,326.47
  4. Step 4: Simplify right side
    47,363,670.47x = 1,452,559,441,721,692.25
  5. Step 5: Solve for x
    x = 1,452,559,441,721,692.25/47,363,670.47
  6. Step 6: Final answer
    x = 30,668,219.49

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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.