Home / 17,778,889.10-26,668,333.65-13,299,913.10

Finding the Fourth Proportional to 17,778,889.10, 26,668,333.65 and 13,299,913.10

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Solution

The fourth proportional to 17,778,889.10, 26,668,333.65 and 13,299,913.10 is: 19,949,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,889.10 : 26,668,333.65 = 13,299,913.10 : x
  2. Step 2: Convert to fraction form
    17,778,889.10/26,668,333.65 = 13,299,913.10/x
  3. Step 3: Cross multiply
    17,778,889.10x = 26,668,333.65 × 13,299,913.10
  4. Step 4: Simplify right side
    17,778,889.10x = 354,686,520,066,805.81
  5. Step 5: Solve for x
    x = 354,686,520,066,805.81/17,778,889.10
  6. Step 6: Final answer
    x = 19,949,869.65

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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.