Home / 15,876,802.61-21,916,676.05-10,727,139.32

Finding the Fourth Proportional to 15,876,802.61, 21,916,676.05 and 10,727,139.32

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Solution

The fourth proportional to 15,876,802.61, 21,916,676.05 and 10,727,139.32 is: 14,807,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876,802.61 : 21,916,676.05 = 10,727,139.32 : x
  2. Step 2: Convert to fraction form
    15,876,802.61/21,916,676.05 = 10,727,139.32/x
  3. Step 3: Cross multiply
    15,876,802.61x = 21,916,676.05 × 10,727,139.32
  4. Step 4: Simplify right side
    15,876,802.61x = 235,103,237,365,443.56
  5. Step 5: Solve for x
    x = 235,103,237,365,443.56/15,876,802.61
  6. Step 6: Final answer
    x = 14,807,971.30

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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.