Home / 8,346,818.79-11,520,288.72-5,704,721.10

Finding the Fourth Proportional to 8,346,818.79, 11,520,288.72 and 5,704,721.10

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Solution

The fourth proportional to 8,346,818.79, 11,520,288.72 and 5,704,721.10 is: 7,873,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346,818.79 : 11,520,288.72 = 5,704,721.10 : x
  2. Step 2: Convert to fraction form
    8,346,818.79/11,520,288.72 = 5,704,721.10/x
  3. Step 3: Cross multiply
    8,346,818.79x = 11,520,288.72 × 5,704,721.10
  4. Step 4: Simplify right side
    8,346,818.79x = 65,720,034,139,075.99
  5. Step 5: Solve for x
    x = 65,720,034,139,075.99/8,346,818.79
  6. Step 6: Final answer
    x = 7,873,662.50

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1.5x scale

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.