Home / 19,071,680.91-28,620,241.47-6,941,140.95

Finding the Fourth Proportional to 19,071,680.91, 28,620,241.47 and 6,941,140.95

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Solution

The fourth proportional to 19,071,680.91, 28,620,241.47 and 6,941,140.95 is: 10,416,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071,680.91 : 28,620,241.47 = 6,941,140.95 : x
  2. Step 2: Convert to fraction form
    19,071,680.91/28,620,241.47 = 6,941,140.95/x
  3. Step 3: Cross multiply
    19,071,680.91x = 28,620,241.47 × 6,941,140.95
  4. Step 4: Simplify right side
    19,071,680.91x = 198,657,130,066,305.19
  5. Step 5: Solve for x
    x = 198,657,130,066,305.19/19,071,680.91
  6. Step 6: Final answer
    x = 10,416,340.91

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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.