Home / 35,340,809.60-53,011,214.40-21,008,086.40

Finding the Fourth Proportional to 35,340,809.60, 53,011,214.40 and 21,008,086.40

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Solution

The fourth proportional to 35,340,809.60, 53,011,214.40 and 21,008,086.40 is: 31,512,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340,809.60 : 53,011,214.40 = 21,008,086.40 : x
  2. Step 2: Convert to fraction form
    35,340,809.60/53,011,214.40 = 21,008,086.40/x
  3. Step 3: Cross multiply
    35,340,809.60x = 53,011,214.40 × 21,008,086.40
  4. Step 4: Simplify right side
    35,340,809.60x = 1,113,664,172,284,124
  5. Step 5: Solve for x
    x = 1,113,664,172,284,124/35,340,809.60
  6. Step 6: Final answer
    x = 31,512,129.60

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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.