Home / 22,278,643.66-30,746,368.78-12,358,724.64

Finding the Fourth Proportional to 22,278,643.66, 30,746,368.78 and 12,358,724.64

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Solution

The fourth proportional to 22,278,643.66, 30,746,368.78 and 12,358,724.64 is: 17,056,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278,643.66 : 30,746,368.78 = 12,358,724.64 : x
  2. Step 2: Convert to fraction form
    22,278,643.66/30,746,368.78 = 12,358,724.64/x
  3. Step 3: Cross multiply
    22,278,643.66x = 30,746,368.78 × 12,358,724.64
  4. Step 4: Simplify right side
    22,278,643.66x = 379,985,905,431,912.75
  5. Step 5: Solve for x
    x = 379,985,905,431,912.75/22,278,643.66
  6. Step 6: Final answer
    x = 17,056,061.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.