Home / 39,620,236.60-59,430,354.90-28,778,840.20

Finding the Fourth Proportional to 39,620,236.60, 59,430,354.90 and 28,778,840.20

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Solution

The fourth proportional to 39,620,236.60, 59,430,354.90 and 28,778,840.20 is: 43,168,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620,236.60 : 59,430,354.90 = 28,778,840.20 : x
  2. Step 2: Convert to fraction form
    39,620,236.60/59,430,354.90 = 28,778,840.20/x
  3. Step 3: Cross multiply
    39,620,236.60x = 59,430,354.90 × 28,778,840.20
  4. Step 4: Simplify right side
    39,620,236.60x = 1,710,336,686,696,387
  5. Step 5: Solve for x
    x = 1,710,336,686,696,387/39,620,236.60
  6. Step 6: Final answer
    x = 43,168,260.30

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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.