Home / 21,505,501.30-32,258,251.95-7,130,787.70

Finding the Fourth Proportional to 21,505,501.30, 32,258,251.95 and 7,130,787.70

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Solution

The fourth proportional to 21,505,501.30, 32,258,251.95 and 7,130,787.70 is: 10,696,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,501.30 : 32,258,251.95 = 7,130,787.70 : x
  2. Step 2: Convert to fraction form
    21,505,501.30/32,258,251.95 = 7,130,787.70/x
  3. Step 3: Cross multiply
    21,505,501.30x = 32,258,251.95 × 7,130,787.70
  4. Step 4: Simplify right side
    21,505,501.30x = 230,026,746,228,561.03
  5. Step 5: Solve for x
    x = 230,026,746,228,561.03/21,505,501.30
  6. Step 6: Final answer
    x = 10,696,181.55

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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.