Home / 47,251,521.60-70,735,564.80-28,072,406.40

Finding the Fourth Proportional to 47,251,521.60, 70,735,564.80 and 28,072,406.40

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Solution

The fourth proportional to 47,251,521.60, 70,735,564.80 and 28,072,406.40 is: 42,024,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251,521.60 : 70,735,564.80 = 28,072,406.40 : x
  2. Step 2: Convert to fraction form
    47,251,521.60/70,735,564.80 = 28,072,406.40/x
  3. Step 3: Cross multiply
    47,251,521.60x = 70,735,564.80 × 28,072,406.40
  4. Step 4: Simplify right side
    47,251,521.60x = 1,985,717,521,999,134.50
  5. Step 5: Solve for x
    x = 1,985,717,521,999,134.50/47,251,521.60
  6. Step 6: Final answer
    x = 42,024,414.34

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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.