Home / 19,331,686.70-28,996,873.95-4,954,895.45

Finding the Fourth Proportional to 19,331,686.70, 28,996,873.95 and 4,954,895.45

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Solution

The fourth proportional to 19,331,686.70, 28,996,873.95 and 4,954,895.45 is: 7,432,175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,686.70 : 28,996,873.95 = 4,954,895.45 : x
  2. Step 2: Convert to fraction form
    19,331,686.70/28,996,873.95 = 4,954,895.45/x
  3. Step 3: Cross multiply
    19,331,686.70x = 28,996,873.95 × 4,954,895.45
  4. Step 4: Simplify right side
    19,331,686.70x = 143,676,478,799,078.53
  5. Step 5: Solve for x
    x = 143,676,478,799,078.53/19,331,686.70
  6. Step 6: Final answer
    x = 7,432,175.01

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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.