Home / 12,463,838.70-18,693,886.95-3,943,068.06

Finding the Fourth Proportional to 12,463,838.70, 18,693,886.95 and 3,943,068.06

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Solution

The fourth proportional to 12,463,838.70, 18,693,886.95 and 3,943,068.06 is: 5,914,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,838.70 : 18,693,886.95 = 3,943,068.06 : x
  2. Step 2: Convert to fraction form
    12,463,838.70/18,693,886.95 = 3,943,068.06/x
  3. Step 3: Cross multiply
    12,463,838.70x = 18,693,886.95 × 3,943,068.06
  4. Step 4: Simplify right side
    12,463,838.70x = 73,711,268,549,795.81
  5. Step 5: Solve for x
    x = 73,711,268,549,795.81/12,463,838.70
  6. Step 6: Final answer
    x = 5,914,010.15

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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.