Home / 18,988,801.72-26,219,564.96-17,537,916.76

Finding the Fourth Proportional to 18,988,801.72, 26,219,564.96 and 17,537,916.76

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Solution

The fourth proportional to 18,988,801.72, 26,219,564.96 and 17,537,916.76 is: 24,216,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,801.72 : 26,219,564.96 = 17,537,916.76 : x
  2. Step 2: Convert to fraction form
    18,988,801.72/26,219,564.96 = 17,537,916.76/x
  3. Step 3: Cross multiply
    18,988,801.72x = 26,219,564.96 × 17,537,916.76
  4. Step 4: Simplify right side
    18,988,801.72x = 459,836,547,751,892.81
  5. Step 5: Solve for x
    x = 459,836,547,751,892.81/18,988,801.72
  6. Step 6: Final answer
    x = 24,216,196.18

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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.