Home / 28,497,812.10-42,746,719.50-11,454,499.23

Finding the Fourth Proportional to 28,497,812.10, 42,746,719.50 and 11,454,499.23

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Solution

The fourth proportional to 28,497,812.10, 42,746,719.50 and 11,454,499.23 is: 17,181,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497,812.10 : 42,746,719.50 = 11,454,499.23 : x
  2. Step 2: Convert to fraction form
    28,497,812.10/42,746,719.50 = 11,454,499.23/x
  3. Step 3: Cross multiply
    28,497,812.10x = 42,746,719.50 × 11,454,499.23
  4. Step 4: Simplify right side
    28,497,812.10x = 489,642,265,597,776
  5. Step 5: Solve for x
    x = 489,642,265,597,776/28,497,812.10
  6. Step 6: Final answer
    x = 17,181,749.39

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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.