Home / 16,130,638.71-22,268,508.32-10,931,115.47

Finding the Fourth Proportional to 16,130,638.71, 22,268,508.32 and 10,931,115.47

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Solution

The fourth proportional to 16,130,638.71, 22,268,508.32 and 10,931,115.47 is: 15,090,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130,638.71 : 22,268,508.32 = 10,931,115.47 : x
  2. Step 2: Convert to fraction form
    16,130,638.71/22,268,508.32 = 10,931,115.47/x
  3. Step 3: Cross multiply
    16,130,638.71x = 22,268,508.32 × 10,931,115.47
  4. Step 4: Simplify right side
    16,130,638.71x = 243,419,635,624,577.59
  5. Step 5: Solve for x
    x = 243,419,635,624,577.59/16,130,638.71
  6. Step 6: Final answer
    x = 15,090,514.39

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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.