Home / 12,898,916.64-17,799,970.44-7,018,575.10

Finding the Fourth Proportional to 12,898,916.64, 17,799,970.44 and 7,018,575.10

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Solution

The fourth proportional to 12,898,916.64, 17,799,970.44 and 7,018,575.10 is: 9,685,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,916.64 : 17,799,970.44 = 7,018,575.10 : x
  2. Step 2: Convert to fraction form
    12,898,916.64/17,799,970.44 = 7,018,575.10/x
  3. Step 3: Cross multiply
    12,898,916.64x = 17,799,970.44 × 7,018,575.10
  4. Step 4: Simplify right side
    12,898,916.64x = 124,930,429,310,920.05
  5. Step 5: Solve for x
    x = 124,930,429,310,920.05/12,898,916.64
  6. Step 6: Final answer
    x = 9,685,342.79

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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.