Home / 10,426,788.78-14,389,821.23-5,782,030.77

Finding the Fourth Proportional to 10,426,788.78, 14,389,821.23 and 5,782,030.77

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Solution

The fourth proportional to 10,426,788.78, 14,389,821.23 and 5,782,030.77 is: 7,979,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426,788.78 : 14,389,821.23 = 5,782,030.77 : x
  2. Step 2: Convert to fraction form
    10,426,788.78/14,389,821.23 = 5,782,030.77/x
  3. Step 3: Cross multiply
    10,426,788.78x = 14,389,821.23 × 5,782,030.77
  4. Step 4: Simplify right side
    10,426,788.78x = 83,202,389,097,749.08
  5. Step 5: Solve for x
    x = 83,202,389,097,749.08/10,426,788.78
  6. Step 6: Final answer
    x = 7,979,675.32

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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.