Home / 13,218,287.79-19,826,495.69-3,502,685.68

Finding the Fourth Proportional to 13,218,287.79, 19,826,495.69 and 3,502,685.68

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Solution

The fourth proportional to 13,218,287.79, 19,826,495.69 and 3,502,685.68 is: 5,253,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218,287.79 : 19,826,495.69 = 3,502,685.68 : x
  2. Step 2: Convert to fraction form
    13,218,287.79/19,826,495.69 = 3,502,685.68/x
  3. Step 3: Cross multiply
    13,218,287.79x = 19,826,495.69 × 3,502,685.68
  4. Step 4: Simplify right side
    13,218,287.79x = 69,445,982,582,389.09
  5. Step 5: Solve for x
    x = 69,445,982,582,389.09/13,218,287.79
  6. Step 6: Final answer
    x = 5,253,780.50

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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.