Home / 20,298,032.80-30,445,518.10-6,464,432.51

Finding the Fourth Proportional to 20,298,032.80, 30,445,518.10 and 6,464,432.51

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Solution

The fourth proportional to 20,298,032.80, 30,445,518.10 and 6,464,432.51 is: 9,696,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,032.80 : 30,445,518.10 = 6,464,432.51 : x
  2. Step 2: Convert to fraction form
    20,298,032.80/30,445,518.10 = 6,464,432.51/x
  3. Step 3: Cross multiply
    20,298,032.80x = 30,445,518.10 × 6,464,432.51
  4. Step 4: Simplify right side
    20,298,032.80x = 196,812,996,947,336.25
  5. Step 5: Solve for x
    x = 196,812,996,947,336.25/20,298,032.80
  6. Step 6: Final answer
    x = 9,696,161.14

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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.