Home / 20,298,032.74-30,445,518.01-6,464,432.45

Finding the Fourth Proportional to 20,298,032.74, 30,445,518.01 and 6,464,432.45

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Solution

The fourth proportional to 20,298,032.74, 30,445,518.01 and 6,464,432.45 is: 9,696,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,032.74 : 30,445,518.01 = 6,464,432.45 : x
  2. Step 2: Convert to fraction form
    20,298,032.74/30,445,518.01 = 6,464,432.45/x
  3. Step 3: Cross multiply
    20,298,032.74x = 30,445,518.01 × 6,464,432.45
  4. Step 4: Simplify right side
    20,298,032.74x = 196,812,994,428,675.84
  5. Step 5: Solve for x
    x = 196,812,994,428,675.84/20,298,032.74
  6. Step 6: Final answer
    x = 9,696,161.05

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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.